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 M4000

CORE STATE GM204

VRAM 8 GB

CLOCK SPEED —

TDP 120 W

BUS WIDTH 256 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2015

PERFORMANCE BENCHMARKS

geekbench_metal

34,050

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

680

geekbench_opencl

N/A

20,128

geekbench_vulkan

N/A

24,640

passmark_directx_10

N/A

33

passmark_directx_11

N/A

49

passmark_directx_12

N/A

26

passmark_directx_9

N/A

113

passmark_g2d

N/A

673

passmark_g3d

N/A

6,680

passmark_gpu_compute

N/A

2,660

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7950

Quadro M4000

Core Specs

Shading Units

1,792

1,664 -7.1%

Shaders

1,792

1,664 -7.1%

TMUs

112

104 -7.1%

ROPs

32

64 +100.0%

Compute Units

28

—

Clocks

GPU Clock

800 MHz

773 MHz

Memory Clock

1250 MHz 5 Gbps effective

1502 MHz 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

192.3 GB/s

Cache

L1 Cache

16 KB (per CU)

48 KB (per SMM)

L2 Cache

768 KB

2 MB

Performance

Pixel Rate

25.60 GPixel/s

49.47 GPixel/s

Texture Rate

89.60 GTexel/s

80.39 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

2.573 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

80.39 GFLOPS (1:32)

Power

TDP

200 W

120 W

TDP (W)

200

120 -40.0%

Suggested PSU

550 W

300 W

Power Connectors

2x 6-pin

1x 6-pin

Architecture

Architecture

GCN 1.0

Maxwell 2.0

GPU Name

Tahiti

GM204

Generation

Southern Islands (HD 7900)

Quadro Maxwell (Mx000)

Process Size

28 nm

28 nm

Transistors

4,313 million

5,200 million

Die Size

352 mm²

398 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

13.1M / 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

—

5.2

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 1.2

Bus Interface

PCIe 3.0 x16

PCIe 3.0 x16

Other

Launch Price

449 USD

—

Production

End-of-life

End-of-life

Predecessor

Northern Islands

Quadro Kepler

Successor

Sea Islands

Quadro Pascal

View Radeon HD 7950 Details View Quadro M4000 Details