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 VII

CORE STATE Vega 20

VRAM 16 GB

CLOCK SPEED 1750 MHz

TDP 295 W

BUS WIDTH 4096 bit

ARCHITECTURE GCN 5.1

nm

PROCESS 7 nm

LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

geekbench_opencl

34,541

91,947

3dmark_3dmark_steel_nomad_dx12

N/A

2,304

geekbench_metal

N/A

77,265

geekbench_vulkan

N/A

85,909

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7970

VII

Core Specs

Shading Units

2,048

3,840 +87.5%

Shaders

2,048

3,840 +87.5%

TMUs

128

240 +87.5%

ROPs

32

64 +100.0%

Compute Units

32

60 +87.5%

Clocks

Base Clock

—

1400 MHz

Boost Clock

—

1750 MHz

GPU Clock

925 MHz

—

Memory Clock

1375 MHz 5.5 Gbps effective

1000 MHz 2 Gbps effective

Memory

Memory Size

3 GB

16 GB

VRAM (MB)

3,072

16,384 +433.3%

Memory Type

GDDR5

HBM2

Memory Bus

384 bit

4096 bit

Bandwidth

264.0 GB/s

1.02 TB/s

Cache

L1 Cache

16 KB (per CU)

16 KB (per CU)

L2 Cache

768 KB

4 MB

Performance

Pixel Rate

29.60 GPixel/s

112.0 GPixel/s

Texture Rate

118.4 GTexel/s

420.0 GTexel/s

FP32 (TFLOPS)

3.789 TFLOPS

13.44 TFLOPS

FP64 (TFLOPS)

947.2 GFLOPS (1:4)

3.360 TFLOPS (1:4)

FP16 (TFLOPS)

—

26.88 TFLOPS (2:1)

Power

TDP

250 W

295 W

TDP (W)

250

295 +18.0%

Suggested PSU

600 W

600 W

Power Connectors

1x 6-pin + 1x 8-pin

2x 8-pin

Architecture

Architecture

GCN 1.0

GCN 5.1

GPU Name

Tahiti

Vega 20

Generation

Southern Islands (HD 7900)

Vega II (Radeon VII)

Process Size

28 nm

7 nm

Transistors

4,313 million

13,230 million

Die Size

352 mm²

331 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

40.0M / mm²

API Support

DirectX

12 (11_1)

12 (12_1)

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

280 mm 11 inches

Height

111 mm 4.4 inches

125 mm 4.9 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

699 USD

Production

End-of-life

End-of-life

Predecessor

Northern Islands

Vega

Successor

Sea Islands

Navi

View Radeon HD 7970 Details View Radeon VII Details