GPU Comparison

A

AMD

RADEON

AMD Radeon HD 6850 X2

CORE STATE Barts

VRAM 2 GB

CLOCK SPEED —

TDP 254 W

BUS WIDTH 256 bit

ARCHITECTURE TeraScale 2

nm

PROCESS 40 nm

LAUNCH DATE 2011

VS

NVIDIA

GEFORCE

Quadro P1000

CORE STATE GP107

VRAM 4 GB

CLOCK SPEED 1480 MHz

TDP 47 W

BUS WIDTH 128 bit

ARCHITECTURE Pascal

nm

PROCESS 14 nm

LAUNCH DATE 2017

PERFORMANCE BENCHMARKS

geekbench_opencl

3,977

14,495

geekbench_vulkan

N/A

13,466

passmark_directx_10

N/A

21

passmark_directx_11

N/A

31

passmark_directx_12

N/A

19

passmark_directx_9

N/A

79

passmark_g2d

N/A

589

passmark_g3d

N/A

4,512

passmark_gpu_compute

N/A

1,891

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6850 X2

Quadro P1000

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

—

5

Clocks

Base Clock

—

1266 MHz

Boost Clock

—

1480 MHz

GPU Clock

800 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

1253 MHz 5 Gbps effective

Memory

Memory Size

2 GB

4 GB

VRAM (MB)

2,048

4,096 +100.0%

Memory Type

GDDR5

GDDR5

Memory Bus

256 bit

128 bit

Bandwidth

134.4 GB/s

80.19 GB/s

Cache

L1 Cache

8 KB (per CU)

48 KB (per SM)

L2 Cache

512 KB

1024 KB

Performance

Pixel Rate

25.60 GPixel/s

47.36 GPixel/s

Texture Rate

38.40 GTexel/s

59.20 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

1.894 TFLOPS

FP64 (TFLOPS)

—

59.20 GFLOPS (1:32)

FP16 (TFLOPS)

—

29.60 GFLOPS (1:64)

Power

TDP

254 W

47 W

TDP (W)

254

47 -81.5%

Suggested PSU

600 W

200 W

Power Connectors

2x 8-pin

None

Architecture

Architecture

TeraScale 2

Pascal

GPU Name

Barts

GP107

Generation

Northern Islands (HD 6800)

Quadro Pascal (Px000)

Process Size

40 nm

14 nm

Transistors

1,700 million

3,300 million

Die Size

255 mm²

132 mm²

Foundry

TSMC

Samsung

Density

6.7M / mm²

25.0M / 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

—

150 mm 5.9 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 Maxwell

Successor

Southern Islands

Quadro Volta

View Radeon HD 6850 X2 Details View Quadro P1000 Details