GPU Comparison
RADEON
AMD Radeon HD 6850 X2
CORE STATE
Barts
VRAM
2 GB
CLOCK SPEED
—
TDP
254 W
BUS WIDTH
256 bit
ARCHITECTURE
TeraScale 2
PROCESS
40 nm
LAUNCH DATE
2011
VS
GEFORCE
CMP 70HX
CORE STATE
GA104
VRAM
8 GB
CLOCK SPEED
1395 MHz
TDP
—
BUS WIDTH
256 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
CMP 70HX
Core Specs
Shading Units
960
3,840
+300.0%
Shaders
960
3,840
+300.0%
TMUs
48
120
+150.0%
ROPs
32
64
+100.0%
Compute Units
12
—
SM Count
—
30
Clocks
Base Clock
—
1365 MHz
Boost Clock
—
1395 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1188 MHz
19 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
GDDR6X
Memory Bus
256 bit
256 bit
Bandwidth
134.4 GB/s
608.3 GB/s
Cache
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
25.60 GPixel/s
89.28 GPixel/s
Texture Rate
38.40 GTexel/s
167.4 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
10.71 TFLOPS
FP64 (TFLOPS)
—
167.4 GFLOPS (1:64)
FP16 (TFLOPS)
—
10.71 TFLOPS (1:1)
AI/RT
RT Cores
—
30
Tensor Cores
—
120
Power
TDP
254 W
—
TDP (W)
254
—
Suggested PSU
600 W
200 W
Power Connectors
2x 8-pin
1x 12-pin
Architecture
Architecture
TeraScale 2
Ampere
GPU Name
Barts
GA104
Generation
Northern Islands
(HD 6800)
Mining GPUs
Process Size
40 nm
8 nm
Transistors
1,700 million
17,400 million
Die Size
255 mm²
392 mm²
Foundry
TSMC
Samsung
Density
6.7M / mm²
44.4M / mm²
API Support
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
8.6
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
112 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 1.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
—
Successor
Southern Islands
—