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 RX 580

CORE STATE Polaris 20

VRAM 8 GB

CLOCK SPEED 1340 MHz

TDP 185 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

PERFORMANCE BENCHMARKS

geekbench_opencl

34,541

37,453

3dmark_3dmark_steel_nomad_dx12

N/A

1,005

geekbench_metal

N/A

52,176

geekbench_vulkan

N/A

45,173

passmark_directx_10

N/A

46

passmark_directx_11

N/A

60

passmark_directx_12

N/A

43

passmark_directx_9

N/A

124

passmark_g2d

N/A

769

passmark_g3d

N/A

8,813

passmark_gpu_compute

N/A

3,488

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7970

RX 580

Core Specs

Shading Units

2,048

2,304 +12.5%

Shaders

2,048

2,304 +12.5%

TMUs

128

144 +12.5%

ROPs

32

32 0.0%

Compute Units

32

36 +12.5%

Clocks

Base Clock

—

1257 MHz

Boost Clock

—

1340 MHz

GPU Clock

925 MHz

—

Memory Clock

1375 MHz 5.5 Gbps effective

2000 MHz 8 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

256.0 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

42.88 GPixel/s

Texture Rate

118.4 GTexel/s

193.0 GTexel/s

FP32 (TFLOPS)

3.789 TFLOPS

6.175 TFLOPS

FP64 (TFLOPS)

947.2 GFLOPS (1:4)

385.9 GFLOPS (1:16)

FP16 (TFLOPS)

—

6.175 TFLOPS (1:1)

Power

TDP

250 W

185 W

TDP (W)

250

185 -26.0%

Suggested PSU

600 W

450 W

Power Connectors

1x 6-pin + 1x 8-pin

1x 8-pin

Architecture

Architecture

GCN 1.0

GCN 4.0

GPU Name

Tahiti

Polaris 20

Generation

Southern Islands (HD 7900)

Polaris (RX 500)

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

Dual-slot

Length

275 mm 10.8 inches

241 mm 9.5 inches

Height

111 mm 4.4 inches

—

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

1x HDMI 2.0b3x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 3.0 x16

Other

Launch Price

549 USD

229 USD

Production

End-of-life

End-of-life

Predecessor

Northern Islands

Arctic Islands

Successor

Sea Islands

Vega

View Radeon HD 7970 Details View Radeon RX 580 Details