GeekRadar / Il banco di confronto
CONFRONTA.
GPU
AMD

AMD Radeon HD 7850M

Processore grafico

Memoria video
2 GB
Bus di memoria
128 bit
Banda di memoria nominale
64 GB/s

Risultati dei benchmark

Elaborazione e piattaforma

Architettura
GCN 1
Processo produttivo
28 nm
Nodo produttivo
28 nm
Core GPU
640*
Frequenza base GPU
675 MHz*
Frequenza GPU dichiarata
675 MHz*
Frequenza dichiarata della memoria grafica
1.000 MHz*
Interfaccia grafica
PCIe 3.0 x16*
Memoria video
2.048 MB*
Area del chip dichiarata
123 mm²*
TDP chip/package
40 W*
Transistor
1.500 million*
Stream processor
640
Processore grafico
Heathrow*
Unità di texture mapping
40*
Unità di rasterizzazione
16*
Fonderia del chip
TSMC*
TDP GPU dichiarato
40 W*
Connettori di alimentazione esterni
None*
DirectX / feature level
12 (11_1)*
OpenGL
4.6*
OpenCL
2.0 (1.2)*
Vulkan
1.2.170*
Shader model
6.5 (5.1)*
Cache L2 GPU
256 KB*

Configurazioni GPU

  • 2 GB / GDDR5 / 128-bit / Heathrow Pro
    Capacità
    2 GB
    Banda di memoria nominale
    64 GB/s
    Variante del chip
    Heathrow Pro
    Clock di riferimento
    675 MHz
    Bus di memoria
    128 bit
    Potenza nominale
    40 W
    Specifica di potenza
    TDP
    Tecnologia
    GDDR5

Memoria e archiviazione

Opzioni memoria
2*
Memoria video
2 GB
Tipo memoria video
GDDR5
Bus di memoria
128 bit
Banda di memoria nominale
64 GB/s

Specifiche di potenza

Potenza termica di progetto
40 W

Configurazione di sistema

Specifiche dettagliate

Specifiche 1 · 26 campi
Architecture
GCN 1.0 Heathrow Pro*
Integrated
No*
L2 Cache
256KB*
Manufacturer
AMD*
Max Power
40 Watts*
Memory
2.048* MB
Memory Bandwidth
64GB/sec*
Memory Bus
128 Bit*
Memory Speed
1.000* MHz
Memory Type
GDDR5*
Name
Radeon HD 7850M*
Best Resolution
1600 x 900*
Notebook GPU
Yes*
Open GL
4,4*
Pixel Rate
11 GPixel/s*
Process
28nm*
ROPs
16*
Release Date
24-Apr-2012*
Resolution WxH
2560x1600*
SLI Crossfire
Yes*
Shader
5*
TMUs
40*
Texture Rate
27 GTexel/s*
Core Speed
675* MHz
Dedicated
Yes*
Direct X
DX 12.0*
Specifiche 2 · 24 campi
Product Name
Radeon HD 7850M*
Product Name
Radeon HD 7850M*
Product Name
Radeon HD 7850M*
GPU Chip
Heathrow*
GPU Chip
Heathrow*
GPU Chip
Heathrow*
Released
Apr 24th, 2012*
Released
Apr 24th, 2012*
Released
Apr 24th, 2012*
Bus
PCIe 3.0 x16*
Bus
PCIe 3.0 x16*
Bus
PCIe 3.0 x16*
Memory
2 GB, GDDR5, 128 bit*
Memory
2 GB, GDDR5, 128 bit*
Memory
2 GB, GDDR5, 128 bit*
GPU clock
675* MHz
GPU clock
675* MHz
GPU clock
675* MHz
Memory clock
1.000* MHz
Memory clock
1.000* MHz
Memory clock
1.000* MHz
Shaders TMUs ROPs
640 / 40 / 16*
Shaders TMUs ROPs
640 / 40 / 16*
Shaders TMUs ROPs
640 / 40 / 16*
Specifiche 3 · 12 campi
Foundry
TSMC*
Vendor
AMD*
FP32 GFLOPS
864* GFLOPS
FP64 GFLOPS
54* GFLOPS
Product
AMD Radeon HD 7850M*
Type
GPU*
Release Date
2012-04-24*
Process Size (nm)
28* nm
TDP (W)
40* W
Die Size (mm^2)
123* mm²
Transistors (million)
1.500*
Freq (MHz)
675* MHz
Specifiche 4 · 21 campi
proc transistors
1,500 million*
proc die size
123* mm²
cores
640*
memory clock
1.000*
ram
2*
name
AMD Radeon HD 7850M*
ram type
GDDR5*
bus width
128*
bus interface
PCIe 3.0 x16*
ram bandwidth
64* GB/s
fp32 performance
0,864*
fp64 performance
0,054*
tdp
40* W
is retail board
No*
gpi value
0,93*
vendor
amd*
manufacturer
AMD*
arch name
GCN 1.0*
card release date
2012-04-24*
proc foundry
TSMC*
proc process size
28* nm
Specifiche 5 · 32 campi
DirectX / feature level
12 (11_1)*
OpenCL
2.0 (1.2)*
OpenGL
4.6*
Shader model
6.5 (5.1)*
Vulkan
1.2.170*
Interfaccia grafica
PCIe 3.0 x16*
Bus di memoria
128* bit
Shader processor dichiarati
640*
Picco teorico FP32 dichiarato
0,864* TFLOPS
Ambito e condizioni
Densità del calcolo
Non specificata*
Picco teorico FP64 dichiarato
0,054* TFLOPS
Ambito e condizioni
Densità del calcolo
Non specificata*
Configurazione cache L1 dichiarata
16 KB (per CU)*
Cache L2 GPU dichiarata
256 KB*
Uscite video dichiarate
Portable Device Dependent*
Fill rate teorico dei pixel
10.80 GPixel/s*
Connettori di alimentazione esterni
None*
Area del chip dichiarata
123 mm²*
Fonderia del chip
TSMC*
Nodo produttivo dichiarato
28 nm*
Transistor
1.50 billion*
Processore grafico
Heathrow*
Memoria video dichiarata
2* GB
Banda di memoria nominale
64.00 GB/s*
Tipo memoria video
GDDR5*
Unità di rasterizzazione
16*
Unità shader dichiarate
640*
Sparsità tensoriale 2:4
No*
TDP GPU dichiarato
40 W*
Fill rate teorico delle texture
27.00 GTexel/s*
Unità di texture mapping
40*
Core GPU
640*
Memoria video
2* GB
Tipo memoria video
GDDR5*
Specifiche 6 · 3 campi
G3D Mark
1.373* points
Ambito e condizioni
benchmark_context
suite
G3D Mark*
native_context
GPU model
Radeon HD 7850M*
Snapshot date
2026-10-05*
Model
Radeon HD 7850M*
Hardware class
Mobile*
Specifiche 7 · 50 campi
Brand
AMD*
Top BUS WIDTH
128* bit
Graphics Processor GPU Name
Heathrow*
Graphics Processor Architecture
GCN 1.0*
Graphics Processor Process Size
28* nm
Graphics Processor Transistors
1,500 million*
Graphics Processor Die Size
123* mm²
Name
Radeon HD 7850M*
Clock Speeds GPU Clock
675* MHz
Clock Speeds Memory Clock
1000 MHz 4 Gbps effective*
Memory Memory Size
2* GB
Memory Memory Type
GDDR5*
Memory Memory Bus
128* bit
Memory Bandwidth
64* GB/s
Render Config TMUs
40*
Top GRAPHICS PROCESSOR
Heathrow*
Render Config ROPs
16*
Theoretical Performance Pixel Rate
10.80 GPixel/s
Theoretical Performance Texture Rate
27.00 GTexel/s
Board Design TDP
40* W
Board Design Outputs
Portable Device Dependent*
Board Design Board Number
C434*
Graphics Features DirectX
12 (11_1)*
Graphics Features OpenGL
4,6*
Graphics Features OpenCL
2.1 (1.2)*
Graphics Features Vulkan
1.2.170*
source file
amd2012.json*
Graphics Processor Foundry
TSMC*
Recommended Resolutions
Good:1280x720 | Low FPS:1366x768 | Unplayable:1600x900*
Graphics Processor GPU Variant
Heathrow PRO (216-0835063)*
Graphics Processor Density
12.2M / mm²*
Mobile Graphics Release Date
Apr 24th, 2012*
Top TMUS
40*
Mobile Graphics Generation
London (HD 7800M)*
Mobile Graphics Production
End-of-life*
Mobile Graphics Bus Interface
PCIe 3.0 x16*
Graphics Processor Chip Package
FCBGA-962*
Top ROPS
16*
Mobile Graphics Successor
Solar System*
Mobile Graphics Predecessor
Vancouver*
Graphics Features Shader Model
6.5 (5.1)*
Top CORES
640*
Render Config Shading Units
640*
Render Config Compute Units
10*
Render Config L2 Cache
256* KB
Top MEMORY SIZE
2* GB
Theoretical Performance FP32 (float)
864* GFLOPS
Theoretical Performance FP64 (double)
54.00 GFLOPS (1:16)
Render Config L1 Cache
16 KB (per CU)*
Top MEMORY TYPE
GDDR5*
Specifiche 8 · 7 campi
name
Radeon HD 7850M*
3dmark
1.372*
2dmark
565*
tdp
40*
powerperf
34*
test
Jun 2012*
category
Mobile*
Specifiche 9 · 7 campi
gpuName
Radeon HD 7850M*
Ambito e condizioni
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
G3Dmark
1.373*
Ambito e condizioni
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
G2Dmark
566*
Ambito e condizioni
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
TDP
40*
Ambito e condizioni
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
powerPerformance
34,32*
Ambito e condizioni
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
testDate
2.012*
Ambito e condizioni
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
category
Mobile*
Ambito e condizioni
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
Specifiche 10 · 27 campi
manufacturer
AMD*
manufacturer
AMD*
rop
8*
rop
16*
igp
No*
igp
No*
bus
PCIe 3.0 x16*
bus
PCIe 3.0 x8*
memType
GDDR5*
memType
GDDR5*
gpuChip
Heathrow*
gpuChip
Banks*
productName
Radeon HD 7850M*
productName
Radeon HD 7850M*
releaseYear
2.012*
releaseYear
2.012*
memSize
2*
memSize
2*
memBusWidth
128*
gpuClock
1.030*
gpuClock
675*
memClock
1.000*
memClock
1.125*
unifiedShader
640*
unifiedShader
320*
tmu
20*
tmu
40*

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