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 P2000
CORE STATE
GP106
VRAM
5 GB
CLOCK SPEED
1480 MHz
TDP
75 W
BUS WIDTH
160 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2017
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
Quadro P2000
Core Specs
Shading Units
960
1,024
+6.7%
Shaders
960
1,024
+6.7%
TMUs
48
64
+33.3%
ROPs
32
40
+25.0%
Compute Units
12
—
SM Count
—
8
Clocks
Base Clock
—
1076 MHz
Boost Clock
—
1480 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1752 MHz
7 Gbps effective
Memory
Memory Size
2 GB
5 GB
VRAM (MB)
2,048
5,120
+150.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
160 bit
Bandwidth
134.4 GB/s
140.2 GB/s
Cache
L1 Cache
8 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
1280 KB
Performance
Pixel Rate
25.60 GPixel/s
59.20 GPixel/s
Texture Rate
38.40 GTexel/s
94.72 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
3.031 TFLOPS
FP64 (TFLOPS)
—
94.72 GFLOPS (1:32)
FP16 (TFLOPS)
—
47.36 GFLOPS (1:64)
Power
TDP
254 W
75 W
TDP (W)
254
75
-70.5%
Suggested PSU
600 W
250 W
Power Connectors
2x 8-pin
None
Architecture
Architecture
TeraScale 2
Pascal
GPU Name
Barts
GP106
Generation
Northern Islands
(HD 6800)
Quadro Pascal
(Px000)
Process Size
40 nm
16 nm
Transistors
1,700 million
4,400 million
Die Size
255 mm²
200 mm²
Foundry
TSMC
TSMC
Density
6.7M / mm²
22.0M / 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
Single-slot
Length
—
196 mm
7.7 inches
Height
—
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
4x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
Quadro Maxwell
Successor
Southern Islands
Quadro Volta