GPU Comparison

A

AMD

RADEON

AMD Radeon HD 7950

CORE STATE Tahiti

VRAM 3 GB

CLOCK SPEED —

TDP 200 W

BUS WIDTH 384 bit

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2012

VS

NVIDIA

GEFORCE

RTX A4500

CORE STATE GA102

VRAM 20 GB

CLOCK SPEED 1650 MHz

TDP 200 W

BUS WIDTH 320 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_metal

34,050

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

3,196

geekbench_opencl

N/A

141,837

geekbench_vulkan

N/A

131,402

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7950

RTX A4500

Core Specs

Shading Units

1,792

7,168 +300.0%

Shaders

1,792

7,168 +300.0%

TMUs

112

224 +100.0%

ROPs

32

96 +200.0%

Compute Units

28

—

SM Count

—

56

Clocks

Base Clock

—

1050 MHz

Boost Clock

—

1650 MHz

GPU Clock

800 MHz

—

Memory Clock

1250 MHz 5 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

3 GB

20 GB

VRAM (MB)

3,072

20,480 +566.7%

Memory Type

GDDR5

GDDR6

Memory Bus

384 bit

320 bit

Bandwidth

240.0 GB/s

640.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

768 KB

6 MB

Performance

Pixel Rate

25.60 GPixel/s

158.4 GPixel/s

Texture Rate

89.60 GTexel/s

369.6 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

23.65 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

369.6 GFLOPS (1:64)

FP16 (TFLOPS)

—

23.65 TFLOPS (1:1)

AI/RT

RT Cores

—

56

Tensor Cores

—

224

Power

TDP

200 W

200 W

TDP (W)

200

200 0.0%

Suggested PSU

550 W

550 W

Power Connectors

2x 6-pin

1x 8-pin

Architecture

Architecture

GCN 1.0

Ampere

GPU Name

Tahiti

GA102

Generation

Southern Islands (HD 7900)

Workstation Ampere (Ax000)

Process Size

28 nm

8 nm

Transistors

4,313 million

28,300 million

Die Size

352 mm²

628 mm²

Foundry

TSMC

Samsung

Density

12.3M / mm²

45.1M / 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

Dual-slot

Length

278 mm 10.9 inches

267 mm 10.5 inches

Height

111 mm 4.4 inches

112 mm 4.4 inches

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

4x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x16

Other

Launch Price

449 USD

—

Production

End-of-life

End-of-life

Predecessor

Northern Islands

Quadro Turing

Successor

Sea Islands

Workstation Ada

View Radeon HD 7950 Details View RTX A4500 Details