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
Quadro P6000
CORE STATE
GP102
VRAM
24 GB
CLOCK SPEED
1645 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
Quadro P6000
Core Specs
Shading Units
960
3,840
+300.0%
Shaders
960
3,840
+300.0%
TMUs
48
240
+400.0%
ROPs
32
96
+200.0%
Compute Units
12
—
SM Count
—
30
Clocks
Base Clock
—
1506 MHz
Boost Clock
—
1645 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1127 MHz
9 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
GDDR5
GDDR5X
Memory Bus
256 bit
384 bit
Bandwidth
134.4 GB/s
432.8 GB/s
Cache
L1 Cache
8 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
3 MB
Performance
Pixel Rate
25.60 GPixel/s
157.9 GPixel/s
Texture Rate
38.40 GTexel/s
394.8 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
12.63 TFLOPS
FP64 (TFLOPS)
—
394.8 GFLOPS (1:32)
FP16 (TFLOPS)
—
197.4 GFLOPS (1:64)
Power
TDP
254 W
250 W
TDP (W)
254
250
-1.6%
Suggested PSU
600 W
600 W
Power Connectors
2x 8-pin
1x 8-pin
Architecture
Architecture
TeraScale 2
Pascal
GPU Name
Barts
GP102
Generation
Northern Islands
(HD 6800)
Quadro Pascal
(Px000)
Process Size
40 nm
16 nm
Transistors
1,700 million
11,800 million
Die Size
255 mm²
471 mm²
Foundry
TSMC
TSMC
Density
6.7M / mm²
25.1M / 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
—
6.1
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x DVI4x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Launch Price
—
5,999 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
Quadro Maxwell
Successor
Southern Islands
Quadro Volta