GPU Comparison

A

AMD

RADEON

AMD Radeon HD 7950

CORE STATE Tahiti

VRAM 3 GB

CLOCK SPEED —

TDP 200 W

BUS WIDTH 384 bit

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2012

VS

NVIDIA

GEFORCE

Quadro P4000

CORE STATE GP104

VRAM 8 GB

CLOCK SPEED 1480 MHz

TDP 105 W

BUS WIDTH 256 bit

ARCHITECTURE Pascal

nm

PROCESS 16 nm

LAUNCH DATE 2017

PERFORMANCE BENCHMARKS

geekbench_metal

34,050

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

1,115

geekbench_opencl

N/A

41,037

geekbench_vulkan

N/A

41,652

passmark_directx_10

N/A

66

passmark_directx_11

N/A

86

passmark_directx_12

N/A

40

passmark_directx_9

N/A

181

passmark_g2d

N/A

786

passmark_g3d

N/A

11,466

passmark_gpu_compute

N/A

4,913

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7950

Quadro P4000

Core Specs

Shading Units

1,792

1,792 0.0%

Shaders

1,792

1,792 0.0%

TMUs

112

112 0.0%

ROPs

32

64 +100.0%

Compute Units

28

—

SM Count

—

14

Clocks

Base Clock

—

1202 MHz

Boost Clock

—

1480 MHz

GPU Clock

800 MHz

—

Memory Clock

1250 MHz 5 Gbps effective

1901 MHz 7.6 Gbps effective

Memory

Memory Size

3 GB

8 GB

VRAM (MB)

3,072

8,192 +166.7%

Memory Type

GDDR5

GDDR5

Memory Bus

384 bit

256 bit

Bandwidth

240.0 GB/s

243.3 GB/s

Cache

L1 Cache

16 KB (per CU)

48 KB (per SM)

L2 Cache

768 KB

2 MB

Performance

Pixel Rate

25.60 GPixel/s

94.72 GPixel/s

Texture Rate

89.60 GTexel/s

165.8 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

5.304 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

165.8 GFLOPS (1:32)

FP16 (TFLOPS)

—

82.88 GFLOPS (1:64)

Power

TDP

200 W

105 W

TDP (W)

200

105 -47.5%

Suggested PSU

550 W

300 W

Power Connectors

2x 6-pin

1x 6-pin

Architecture

Architecture

GCN 1.0

Pascal

GPU Name

Tahiti

GP104

Generation

Southern Islands (HD 7900)

Quadro Pascal (Px000)

Process Size

28 nm

16 nm

Transistors

4,313 million

7,200 million

Die Size

352 mm²

314 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

22.9M / mm²

API Support

DirectX

12 (11_1)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

3.0

CUDA

—

6.1

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

Single-slot

Length

278 mm 10.9 inches

241 mm 9.5 inches

Height

111 mm 4.4 inches

111 mm 4.4 inches

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

4x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 3.0 x16

Other

Launch Price

449 USD

815 USD

Production

End-of-life

End-of-life

Predecessor

Northern Islands

Quadro Maxwell

Successor

Sea Islands

Quadro Volta

View Radeon HD 7950 Details View Quadro P4000 Details