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

NVIDIA

GEFORCE

RTX A2000 Mobile

CORE STATE GA107

VRAM 4 GB

CLOCK SPEED 1687 MHz

TDP 95 W

BUS WIDTH 128 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl

34,541

56,518

geekbench_vulkan

N/A

53,146

passmark_directx_10

N/A

57

passmark_directx_11

N/A

68

passmark_directx_12

N/A

47

passmark_directx_9

N/A

115

passmark_g2d

N/A

491

passmark_g3d

N/A

9,611

passmark_gpu_compute

N/A

4,334

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7970

RTX A2000 Mobile

Core Specs

Shading Units

2,048

2,560 +25.0%

Shaders

2,048

2,560 +25.0%

TMUs

128

80 -37.5%

ROPs

32

48 +50.0%

Compute Units

32

—

SM Count

—

20

Clocks

Base Clock

—

1215 MHz

Boost Clock

—

1687 MHz

GPU Clock

925 MHz

—

Memory Clock

1375 MHz 5.5 Gbps effective

1500 MHz 12 Gbps effective

Memory

Memory Size

3 GB

4 GB

VRAM (MB)

3,072

4,096 +33.3%

Memory Type

GDDR5

GDDR6

Memory Bus

384 bit

128 bit

Bandwidth

264.0 GB/s

192.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

768 KB

2 MB

Performance

Pixel Rate

29.60 GPixel/s

80.98 GPixel/s

Texture Rate

118.4 GTexel/s

135.0 GTexel/s

FP32 (TFLOPS)

3.789 TFLOPS

8.637 TFLOPS

FP64 (TFLOPS)

947.2 GFLOPS (1:4)

135.0 GFLOPS (1:64)

FP16 (TFLOPS)

—

8.637 TFLOPS (1:1)

AI/RT

RT Cores

—

20

Tensor Cores

—

80

Power

TDP

250 W

95 W

TDP (W)

250

95 -62.0%

Suggested PSU

600 W

—

Power Connectors

1x 6-pin + 1x 8-pin

None

Architecture

Architecture

GCN 1.0

Ampere

GPU Name

Tahiti

GA107

Generation

Southern Islands (HD 7900)

Ampere-MW (Ax000)

Process Size

28 nm

8 nm

Transistors

4,313 million

8,700 million

Die Size

352 mm²

200 mm²

Foundry

TSMC

Samsung

Density

12.3M / mm²

43.5M / mm²

API Support

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

3.0

CUDA

—

8.6

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

IGP

Length

275 mm 10.8 inches

—

Height

111 mm 4.4 inches

—

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

Portable Device Dependent

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x16

Other

Launch Price

549 USD

—

Production

End-of-life

End-of-life

Predecessor

Northern Islands

Quadro Turing-M

Successor

Sea Islands

Ada-MW

View Radeon HD 7970 Details View RTX A2000 Mobile Details