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 Vega 64

CORE STATE Vega 10

VRAM 8 GB

CLOCK SPEED 1546 MHz

TDP 295 W

BUS WIDTH 2048 bit

ARCHITECTURE GCN 5.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

PERFORMANCE BENCHMARKS

geekbench_opencl

34,541

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

1,669

geekbench_metal

N/A

78,088

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7970

RX Vega 64

Core Specs

Shading Units

2,048

4,096 +100.0%

Shaders

2,048

4,096 +100.0%

TMUs

128

256 +100.0%

ROPs

32

64 +100.0%

Compute Units

32

64 +100.0%

Clocks

Base Clock

—

1247 MHz

Boost Clock

—

1546 MHz

GPU Clock

925 MHz

—

Memory Clock

1375 MHz 5.5 Gbps effective

945 MHz 1890 Mbps effective

Memory

Memory Size

3 GB

8 GB

VRAM (MB)

3,072

8,192 +166.7%

Memory Type

GDDR5

HBM2

Memory Bus

384 bit

2048 bit

Bandwidth

264.0 GB/s

483.8 GB/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

98.94 GPixel/s

Texture Rate

118.4 GTexel/s

395.8 GTexel/s

FP32 (TFLOPS)

3.789 TFLOPS

12.66 TFLOPS

FP64 (TFLOPS)

947.2 GFLOPS (1:4)

791.6 GFLOPS (1:16)

FP16 (TFLOPS)

—

25.33 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 5.0

GPU Name

Tahiti

Vega 10

Generation

Southern Islands (HD 7900)

Vega (RX Vega)

Process Size

28 nm

14 nm

Transistors

4,313 million

12,500 million

Die Size

352 mm²

495 mm²

Foundry

TSMC

GlobalFoundries

Density

12.3M / mm²

25.3M / 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

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

499 USD

Production

End-of-life

End-of-life

Predecessor

Northern Islands

Polaris

Successor

Sea Islands

Navi

View Radeon HD 7970 Details View Radeon RX Vega 64 Details