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 A400

CORE STATE GA107

VRAM 4 GB

CLOCK SPEED 1762 MHz

TDP 50 W

BUS WIDTH 64 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

geekbench_metal

34,050

N/A

geekbench_opencl

N/A

22,844

geekbench_vulkan

N/A

21,769

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7950

RTX A400

Core Specs

Shading Units

1,792

768 -57.1%

Shaders

1,792

768 -57.1%

TMUs

112

24 -78.6%

ROPs

32

16 -50.0%

Compute Units

28

—

SM Count

—

6

Clocks

Base Clock

—

1417 MHz

Boost Clock

—

1762 MHz

GPU Clock

800 MHz

—

Memory Clock

1250 MHz 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

64 bit

Bandwidth

240.0 GB/s

96.00 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

768 KB

2 MB

Performance

Pixel Rate

25.60 GPixel/s

28.19 GPixel/s

Texture Rate

89.60 GTexel/s

42.29 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

2.706 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

42.29 GFLOPS (1:64)

FP16 (TFLOPS)

—

2.706 TFLOPS (1:1)

AI/RT

RT Cores

—

6

Tensor Cores

—

24

Power

TDP

200 W

50 W

TDP (W)

200

50 -75.0%

Suggested PSU

550 W

250 W

Power Connectors

2x 6-pin

None

Architecture

Architecture

GCN 1.0

Ampere

GPU Name

Tahiti

GA107

Generation

Southern Islands (HD 7900)

Workstation Ampere (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

Single-slot

Length

278 mm 10.9 inches

163 mm 6.4 inches

Height

111 mm 4.4 inches

69 mm 2.7 inches

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

4x mini-DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x8

Other

Launch Price

449 USD

—

Production

End-of-life

Active

Predecessor

Northern Islands

Quadro Turing

Successor

Sea Islands

Workstation Ada

View Radeon HD 7950 Details View RTX A400 Details