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 4100

CORE STATE Baffin

VRAM 4 GB

CLOCK SPEED 1201 MHz

TDP 50 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2016

PERFORMANCE BENCHMARKS

geekbench_opencl

34,541

17,608

geekbench_metal

N/A

20,980

geekbench_vulkan

N/A

18,563

passmark_directx_10

N/A

16

passmark_directx_11

N/A

24

passmark_directx_12

N/A

22

passmark_directx_9

N/A

56

passmark_g2d

N/A

646

passmark_g3d

N/A

3,699

passmark_gpu_compute

N/A

1,475

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7970

Pro WX 4100

Core Specs

Shading Units

2,048

1,024 -50.0%

Shaders

2,048

1,024 -50.0%

TMUs

128

64 -50.0%

ROPs

32

16 -50.0%

Compute Units

32

16 -50.0%

Clocks

Base Clock

—

1125 MHz

Boost Clock

—

1201 MHz

GPU Clock

925 MHz

—

Memory Clock

1375 MHz 5.5 Gbps effective

1500 MHz 6 Gbps effective

Memory

Memory Size

3 GB

4 GB

VRAM (MB)

3,072

4,096 +33.3%

Memory Type

GDDR5

GDDR5

Memory Bus

384 bit

128 bit

Bandwidth

264.0 GB/s

96.00 GB/s

Cache

L1 Cache

16 KB (per CU)

16 KB (per CU)

L2 Cache

768 KB

1024 KB

Performance

Pixel Rate

29.60 GPixel/s

19.22 GPixel/s

Texture Rate

118.4 GTexel/s

76.86 GTexel/s

FP32 (TFLOPS)

3.789 TFLOPS

2.460 TFLOPS

FP64 (TFLOPS)

947.2 GFLOPS (1:4)

153.7 GFLOPS (1:16)

FP16 (TFLOPS)

—

2.460 TFLOPS (1:1)

Power

TDP

250 W

50 W

TDP (W)

250

50 -80.0%

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

Baffin

Generation

Southern Islands (HD 7900)

Radeon Pro Polaris (WX x100)

Process Size

28 nm

14 nm

Transistors

4,313 million

3,000 million

Die Size

352 mm²

123 mm²

Foundry

TSMC

GlobalFoundries

Density

12.3M / mm²

24.4M / 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

168 mm 6.6 inches

Height

111 mm 4.4 inches

69 mm 2.7 inches

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

4x mini-DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 3.0 x8

Other

Launch Price

549 USD

399 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 4100 Details