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GPU
AMD

Radeon HD 6870M

Graphics processor

Video memory
1 GB*
Memory bus
128 bit*
Rated memory bandwidth
64 GB/s*

No matched benchmark results are available for this entry yet.

Processing & platform

Architecture
Reported value 1: TeraScale 2*
Reported value 2: TeraScale 2*
Reported value 3: TeraScale 2*
Reported value 4: Terascale 2 Granville XT*
Process node
40 nm*
GPU cores
800*
GPU base clock
675 MHz*
Reported GPU frequency
675 MHz*
Reported graphics memory frequency
1,000 MHz*
Graphics interface
MXM-B (3.0)*
Video memory
1,024 MB*
Reported chip die area
166 mm²*
Chip/package TDP
50 W*
Transistors
1,040 million*
Graphics processor
Granville*
Texture mapping units
40*
Raster output units
16*
Chip foundry
TSMC*
Card or module format
MXM Module*
Declared GPU TDP
50 W*
DirectX / feature level
11.2 (11_0)*
OpenGL
4.4*
OpenCL
1.2*
Shader model
5.0*
GPU L2 cache
256 KB*

Memory & storage

Memory options
1,024*
Video memory
1 GB*
Video memory type
Reported value 1: GDDR5*
Reported value 2: GDDR5*
Reported value 3: GDDR5*
Reported value 4: GDDR5*
Reported value 5: GDDR5*
Reported value 6: GDDR3*
Reported value 7: GDDR5*
Memory bus
128 bit*
Rated memory bandwidth
64 GB/s*

Power specifications

Thermal design power
50 W*

System configuration

Detailed specifications

Specifications 1 · 26 fields
Architecture
Terascale 2 Granville XT*
Integrated
No*
L2 Cache
256KB*
Manufacturer
AMD*
Max Power
50 Watts*
Memory
1,024* MB
Memory Bandwidth
64GB/sec*
Memory Bus
128 Bit*
Memory Speed
1,000* MHz
Memory Type
GDDR5*
Name
Radeon HD 6870M*
Best Resolution
1600 x 900*
Notebook GPU
Yes*
Open GL
4.3*
Pixel Rate
11 GPixel/s*
Process
40nm*
ROPs
16*
Release Date
04-Jan-2011*
Resolution WxH
2560x1600*
SLI Crossfire
Yes*
Shader
5*
TMUs
40*
Texture Rate
27 GTexel/s*
Core Speed
675* MHz
Dedicated
Yes*
Direct X
DX 11.0*
Specifications 2 · 11 fields
Foundry
TSMC*
Vendor
AMD*
FP32 GFLOPS
1,080* GFLOPS
Product
AMD Radeon HD 6870M*
Type
GPU*
Release Date
2011-01-04*
Process Size (nm)
40* nm
TDP (W)
50* W
Die Size (mm^2)
166* mm²
Transistors (million)
1,040*
Freq (MHz)
675* MHz
Specifications 3 · 21 fields
proc transistors
1,040 million*
proc die size
166* mm²
cores
800*
memory clock
1,000*
ram
1,024*
name
AMD Radeon HD 6870M*
ram type
GDDR5*
bus width
128*
bus interface
MXM-B (3.0)*
ram bandwidth
64* GB/s
fp32 performance
1.08*
tdp
50* W
slot width
MXM Module*
is retail board
No*
gpi value
2.67*
vendor
amd*
manufacturer
AMD*
arch name
TeraScale 2*
card release date
2011-01-04*
proc foundry
TSMC*
proc process size
40* nm
Specifications 4 · 31 fields
DirectX / feature level
11.2 (11_0)*
OpenCL
1.2*
OpenGL
4.4*
Shader model
5.0*
Architecture
TeraScale 2*
Graphics interface
MXM-B (3.0)*
Memory bus
128* bit
Reported shader processors
800*
Reported theoretical FP32 peak
1.08* TFLOPS
Scope and conditions
Arithmetic density
Not stated*
Declared L1 cache configuration
8 KB (per CU)*
Declared GPU L2 cache
256 KB*
Reported display outputs
Portable Device Dependent*
Theoretical pixel fill rate
10.80 GPixel/s*
Reported chip die area
166 mm²*
Chip foundry
TSMC*
Process node declaration
40 nm*
Transistors
1,040 million*
Graphics processor
Granville*
Reported video memory
1,024* MB
Rated memory bandwidth
64.00 GB/s*
Video memory type
GDDR5*
Raster output units
16*
Reported shading units
800*
Card or module format
MXM Module*
2:4 tensor sparsity
No*
Declared GPU TDP
50 W*
Theoretical texture fill rate
27.00 GTexel/s*
Texture mapping units
40*
GPU cores
800*
Video memory
1,024* MB
Video memory type
GDDR5*
Specifications 5 · 48 fields
Brand
AMD*
Top BUS WIDTH
128* bit
Graphics Processor GPU Name
Granville*
Graphics Processor Architecture
TeraScale 2*
Graphics Processor Process Size
40* nm
Graphics Processor Transistors
1,040 million*
Graphics Processor Die Size
166* mm²
Name
Radeon HD 6870M*
Clock Speeds GPU Clock
675* MHz
Clock Speeds Memory Clock
1000 MHz 4 Gbps effective*
Memory Memory Size
1,024* MB
Memory Memory Type
GDDR5*
Memory Memory Bus
128* bit
Memory Bandwidth
64* GB/s
Render Config TMUs
40*
Top GRAPHICS PROCESSOR
Granville*
Render Config ROPs
16*
Theoretical Performance Pixel Rate
10.80 GPixel/s
Theoretical Performance Texture Rate
27.00 GTexel/s
Board Design Slot Width
MXM Module*
Board Design TDP
50* W
Board Design Outputs
Portable Device Dependent*
Graphics Features DirectX
11.2 (11_0)*
Graphics Features OpenGL
4.4*
Graphics Features OpenCL
1.2*
source file
amd2011.json*
Graphics Processor Foundry
TSMC*
Recommended Resolutions
Good:1280x720 | Low FPS:1366x768 | Unplayable:1600x900*
Graphics Processor GPU Variant
Granville XT (216-0769024)*
Graphics Processor Density
6.3M / mm²*
Mobile Graphics Release Date
Jan 4th, 2011*
Top TMUS
40*
Mobile Graphics Generation
Vancouver (HD 6800M)*
Mobile Graphics Production
End-of-life*
Mobile Graphics Bus Interface
MXM-B (3.0)*
Graphics Processor Chip Package
FCBGA-962*
Top ROPS
16*
Mobile Graphics Successor
London*
Mobile Graphics Predecessor
Manhattan*
Graphics Features Shader Model
5.0*
Top CORES
800*
Render Config Shading Units
800*
Render Config Compute Units
10*
Render Config L2 Cache
256* KB
Top MEMORY SIZE
1,024* MB
Theoretical Performance FP32 (float)
1,080.0 GFLOPS
Render Config L1 Cache
8 KB (per CU)*
Top MEMORY TYPE
GDDR5*
Specifications 6 · 27 fields
manufacturer
AMD*
manufacturer
AMD*
rop
16*
rop
16*
igp
No*
igp
No*
bus
MXM-B (3.0)*
bus
AGP 8x*
memType
GDDR5*
memType
GDDR3*
gpuChip
Granville*
gpuChip
RV670*
productName
Radeon HD 6870M*
productName
Radeon HD 6870M*
releaseYear
2,011*
releaseYear
2,011*
memSize
1.024*
memSize
1.024*
memBusWidth
128*
gpuClock
675*
gpuClock
668*
memClock
828*
memClock
1,000*
unifiedShader
320*
unifiedShader
800*
tmu
40*
tmu
16*

* Provisional data