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
T600
CORE STATE
TU117
VRAM
4 GB
CLOCK SPEED
1335 MHz
TDP
40 W
BUS WIDTH
128 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
T600
Core Specs
Shading Units
960
640
-33.3%
Shaders
960
640
-33.3%
TMUs
48
40
-16.7%
ROPs
32
32
0.0%
Compute Units
12
—
SM Count
—
10
Clocks
Base Clock
—
735 MHz
Boost Clock
—
1335 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
128 bit
Bandwidth
134.4 GB/s
160.0 GB/s
Cache
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
25.60 GPixel/s
42.72 GPixel/s
Texture Rate
38.40 GTexel/s
53.40 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
1.709 TFLOPS
FP64 (TFLOPS)
—
53.40 GFLOPS (1:32)
FP16 (TFLOPS)
—
3.418 TFLOPS (2:1)
Power
TDP
254 W
40 W
TDP (W)
254
40
-84.3%
Suggested PSU
600 W
200 W
Power Connectors
2x 8-pin
None
Architecture
Architecture
TeraScale 2
Turing
GPU Name
Barts
TU117
Generation
Northern Islands
(HD 6800)
Quadro Turing
(Tx000)
Process Size
40 nm
12 nm
Transistors
1,700 million
4,700 million
Die Size
255 mm²
200 mm²
Foundry
TSMC
TSMC
Density
6.7M / mm²
23.5M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
7.5
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Single-slot
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
Quadro Volta
Successor
Southern Islands
Workstation Ampere