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
T1000
CORE STATE
TU117
VRAM
4 GB
CLOCK SPEED
1395 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
T1000
Core Specs
Shading Units
960
896
-6.7%
Shaders
960
896
-6.7%
TMUs
48
56
+16.7%
ROPs
32
32
0.0%
Compute Units
12
—
SM Count
—
14
Clocks
Base Clock
—
1065 MHz
Boost Clock
—
1395 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
44.64 GPixel/s
Texture Rate
38.40 GTexel/s
78.12 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
2.500 TFLOPS
FP64 (TFLOPS)
—
78.12 GFLOPS (1:32)
FP16 (TFLOPS)
—
5.000 TFLOPS (2:1)
Power
TDP
254 W
50 W
TDP (W)
254
50
-80.3%
Suggested PSU
600 W
250 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
Length
—
156 mm
6.1 inches
Height
—
69 mm
2.7 inches
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