GPU Comparison

A

AMD

RADEON

AMD Radeon HD 7970

CORE STATE Tahiti

VRAM 3 GB

CLOCK SPEED —

TDP 250 W

BUS WIDTH 384 bit

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2012

VS

A

AMD

RADEON

Radeon Pro WX 5100

CORE STATE Ellesmere

VRAM 8 GB

CLOCK SPEED 1086 MHz

TDP 75 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2016

PERFORMANCE BENCHMARKS

geekbench_opencl

34,541

24,217

geekbench_metal

N/A

27,977

geekbench_vulkan

N/A

26,909

passmark_directx_10

N/A

29

passmark_directx_11

N/A

36

passmark_directx_12

N/A

26

passmark_directx_9

N/A

88

passmark_g2d

N/A

777

passmark_g3d

N/A

5,496

passmark_gpu_compute

N/A

2,053

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7970

Pro WX 5100

Core Specs

Shading Units

2,048

1,792 -12.5%

Shaders

2,048

1,792 -12.5%

TMUs

128

112 -12.5%

ROPs

32

32 0.0%

Compute Units

32

28 -12.5%

Clocks

Base Clock

—

713 MHz

Boost Clock

—

1086 MHz

GPU Clock

925 MHz

—

Memory Clock

1375 MHz 5.5 Gbps effective

1250 MHz 5 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

264.0 GB/s

160.0 GB/s

Cache

L1 Cache

16 KB (per CU)

16 KB (per CU)

L2 Cache

768 KB

2 MB

Performance

Pixel Rate

29.60 GPixel/s

34.75 GPixel/s

Texture Rate

118.4 GTexel/s

121.6 GTexel/s

FP32 (TFLOPS)

3.789 TFLOPS

3.892 TFLOPS

FP64 (TFLOPS)

947.2 GFLOPS (1:4)

243.3 GFLOPS (1:16)

FP16 (TFLOPS)

—

3.892 TFLOPS (1:1)

Power

TDP

250 W

75 W

TDP (W)

250

75 -70.0%

Suggested PSU

600 W

250 W

Power Connectors

1x 6-pin + 1x 8-pin

None

Architecture

Architecture

GCN 1.0

GCN 4.0

GPU Name

Tahiti

Ellesmere

Generation

Southern Islands (HD 7900)

Radeon Pro Polaris (WX x100)

Process Size

28 nm

14 nm

Transistors

4,313 million

5,700 million

Die Size

352 mm²

232 mm²

Foundry

TSMC

GlobalFoundries

Density

12.3M / mm²

24.6M / mm²

API Support

DirectX

12 (11_1)

12 (12_0)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.3

OpenCL

2.1 (1.2)

2.1

Shader Model

6.5 (5.1)

6.7

Physical

Slot Width

Dual-slot

Single-slot

Length

275 mm 10.8 inches

173 mm 6.8 inches

Height

111 mm 4.4 inches

112 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

549 USD

499 USD

Production

End-of-life

End-of-life

Predecessor

Northern Islands

Radeon Pro GCN

Successor

Sea Islands

Radeon Pro Vega

View Radeon HD 7970 Details View Radeon Pro WX 5100 Details