GeekRadar / The comparison desk
COMPARE.
GPU
AMD

AMD Radeon HD 3850 X2

Graphics processor Released

Video memory
512 MB*
Memory bus
Reported value 1: 512 bit*
Reported value 2: 256 bit*
Reported value 3: 256 bit*
Rated memory bandwidth
52.99 GB/s*

Benchmark results

  • G3D Mark · version unreported · g3d_mark822* pointsPlatform unreported Compare results
  • PassMark · version unreported · G2Dmark422*Platform unreported Compare results
  • PassMark · version unreported · G3Dmark822*Platform unreported Compare results
  • Reported score · version unreported · 2dmark407*Platform unreported Compare results
  • Reported score · version unreported · 3dmark792*Platform unreported Compare results

Processing & platform

Architecture
Reported value 1: RV670 PRO*
Reported value 2: TeraScale*
Manufacturing process
55 nm
Process node
55 nm*
GPU base clock
Reported value 1: 669 MHz*
Reported value 2: 669 MHz*
Reported value 3: 669 MHz*
Reported value 4: 669 MHz*
Reported value 5: 668 MHz*
Reported graphics memory frequency
828 MHz*
Video memory
1,024 MB*

GPU configurations

  • RV670 PRO
    Chip variant
    RV670 PRO
    Reference clock
    668 MHz

Memory & storage

Video memory
512 MB*
Video memory type
Reported value 1: GDDR3*
Reported value 2: GDDR3*
Reported value 3: GDDR3*
Reported value 4: GDDR6*
Memory bus
Reported value 1: 512 bit*
Reported value 2: 256 bit*
Reported value 3: 256 bit*
Rated memory bandwidth
52.99 GB/s*

Power specifications

Thermal design power
140 W*

System configuration

Detailed specifications

Specifications 1 · 11 fields
Manufacturer
AMD Radeon*
GFLOPS
855* GFLOPS
TDP
140*
Class
Desktop*
Name
Radeon HD 3850 X2*
Year
2008*
Fab
55*
Transistors (mln)
1,332*
Die size
384*
Memory size
1,024*
Memory speed
106*
Specifications 2 · 29 fields
Architecture
RV670 PRO*
Integrated
No*
L2 Cache
0KB*
Manufacturer
AMD*
Max Power
140 Watts*
Memory
1,024* MB
Memory Bandwidth
106GB/sec*
Memory Bus
512 Bit*
Memory Speed
828* MHz
Memory Type
GDDR3*
Name
Radeon HD 3850 X2*
Best Resolution
1366 x 768*
Notebook GPU
No*
Open GL
3.3*
PSU
450 Watt & 28 Amps*
Pixel Rate
21 GPixel/s*
Process
55nm*
ROPs
32*
Release Date
04-Apr-2008*
Resolution WxH
2560x1600*
SLI Crossfire
Yes*
Shader
4.1*
TMUs
32*
Texture Rate
21 GTexel/s*
VGA Connection
0*
DVI Connection
2*
Dedicated
Yes*
Direct X
DX 10.1*
HDMI Connection
0*
Specifications 3 · 24 fields
Product Name
Radeon HD 3850 X2*
Product Name
Radeon HD 3850 X2*
Product Name
Radeon HD 3850 X2*
GPU Chip
RV670*
GPU Chip
RV670*
GPU Chip
RV670*
Released
Apr 4th, 2008*
Released
Apr 4th, 2008*
Released
Apr 4th, 2008*
Bus
PCIe 2.0 x16*
Bus
PCIe 2.0 x16*
Bus
PCIe 2.0 x16*
Memory
512 MB, GDDR3, 256 bit*
Memory
512 MB, GDDR3, 256 bit*
Memory
512 MB, GDDR3, 256 bit*
GPU clock
669* MHz
GPU clock
669* MHz
GPU clock
669* MHz
Memory clock
828* MHz
Memory clock
828* MHz
Memory clock
828* MHz
Shaders TMUs ROPs
320 / 16 / 16*
Shaders TMUs ROPs
320 / 16 / 16*
Shaders TMUs ROPs
320 / 16 / 16*
Specifications 4 · 3 fields
G3D Mark
822* points
Scope and conditions
benchmark_context
suite
G3D Mark*
native_context
GPU model
Radeon HD 3850 X2*
Snapshot date
2026-10-05*
Model
Radeon HD 3850 X2*
Hardware class
Desktop*
Specifications 5 · 9 fields
model
Radeon HD 3850 X2*
Scope and conditions
source_native_row_context
model
Radeon HD 3850 X2*
core config
320:16:16×2*
Scope and conditions
source_native_row_context
model
Radeon HD 3850 X2*
tdp watts
140.0* W
Scope and conditions
source_native_row_context
model
Radeon HD 3850 X2*
manufacturer
AMD*
Scope and conditions
source_native_row_context
model
Radeon HD 3850 X2*
launch date
2008-04-04 00:00:00.000000000*
Scope and conditions
source_native_row_context
model
Radeon HD 3850 X2*
code name
RV670 PRO*
Scope and conditions
source_native_row_context
model
Radeon HD 3850 X2*
fab nm
55.0* nm
Scope and conditions
source_native_row_context
model
Radeon HD 3850 X2*
bus interface
PCIe 2.0 ×16*
Scope and conditions
source_native_row_context
model
Radeon HD 3850 X2*
core clock mhz
668.0* MHz
Scope and conditions
source_native_row_context
model
Radeon HD 3850 X2*
Specifications 6 · 11 fields
Manufacturer
AMD Radeon*
GFLOPS
855* GFLOPS
TDP
140*
Class
Desktop*
Name
Radeon HD 3850 X2*
Year
2008*
Fab
55*
Transistors (mln)
1,332*
Die size
384*
Memory size
1,024*
Memory speed
106*
Specifications 7 · 51 fields
Brand
ATI*
Top BUS WIDTH
256 bit x2*
Graphics Processor GPU Name
RV670*
Graphics Processor Architecture
TeraScale*
Graphics Processor Process Size
55* nm
Graphics Processor Transistors
666 million*
Graphics Processor Die Size
192* mm²
Graphics Card Release Date
Apr 4th, 2008*
Graphics Card Generation
Radeon R600 (HD 3800)*
Graphics Card Successor
Radeon R700*
Graphics Card Production
End-of-life*
Name
Radeon HD 3850 X2*
Graphics Card Bus Interface
PCIe 2.0 x16*
Clock Speeds GPU Clock
669* MHz
Clock Speeds Memory Clock
828 MHz 1656 Mbps effective*
Memory Memory Size
512* MB
Memory Memory Type
GDDR3*
Memory Memory Bus
256* bit
Memory Bandwidth
52.99* GB/s
Render Config TMUs
16*
Top GRAPHICS PROCESSOR
RV670 x2*
Render Config ROPs
16*
Theoretical Performance Pixel Rate
10.70 GPixel/s
Theoretical Performance Texture Rate
10.70 GTexel/s
Board Design Slot Width
Dual-slot*
Board Design TDP
140* W
Board Design Suggested PSU
300* W
Board Design Outputs
2x DVI 1x S-Video*
Graphics Features DirectX
10.1 (10_1)*
Graphics Features OpenGL
3.3 (full) 4.0 (partial)*
source file
ati2008.json*
Graphics Processor Foundry
TSMC*
Graphics Card Predecessor
Radeon R500 PCIe*
Recommended Resolutions
Good:640x480 | Playable:1280x720 | Low FPS:1366x768*
Graphics Card Launch Price
349 USD*
Board Design Length
267 mm 10.5 inches*
Graphics Processor GPU Variant
RV670 PRO (215-0708003)*
Graphics Processor Density
3.5M / mm²*
Graphics Card Reviews
1 in our database*
Top TMUS
16 x2*
Graphics Processor Chip Package
FCBGA-1281*
Top ROPS
16 x2*
Graphics Features Shader Model
4.1*
Top CORES
320 x2*
Render Config Shading Units
320*
Render Config Compute Units
4*
Render Config L2 Cache
256* KB
Top MEMORY SIZE
512 MB x2*
Theoretical Performance FP32 (float)
428.2* GFLOPS
Theoretical Performance FP64 (double)
85.63 GFLOPS (1:5)
Top MEMORY TYPE
GDDR3*
Specifications 8 · 7 fields
name
Radeon HD 3850 X2*
3dmark
792*
2dmark
407*
tdp
349*
powerperf
2*
test
Sep 2009*
category
Desktop*
Specifications 9 · 7 fields
gpuName
Radeon HD 3850 X2*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
G3Dmark
822*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
G2Dmark
422*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
TDP
349*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
powerPerformance
2.36*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
testDate
2,009*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
category
Desktop*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
Specifications 10 · 27 fields
manufacturer
ATI*
manufacturer
ATI*
rop
16*
rop
32*
igp
No*
igp
No*
bus
PCIe 3.0 x16*
bus
PCIe 2.0 x16*
memType
GDDR3*
memType
GDDR6*
gpuChip
TU117*
gpuChip
RV670*
productName
Radeon HD 3850 X2*
productName
Radeon HD 3850 X2*
releaseYear
2,008*
releaseYear
2,008*
memSize
0.512*
memSize
0.512*
memBusWidth
256*
gpuClock
669*
gpuClock
1,065*
memClock
1,250*
memClock
828*
unifiedShader
320*
unifiedShader
896*
tmu
56*
tmu
16*

* Provisional data