GPU Comparison

A

AMD

RADEON

AMD Radeon RX 7900M

CORE STATE Navi 31

VRAM 16 GB

CLOCK SPEED 2090 MHz

TDP 180 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

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

3dmark_3dmark_steel_nomad_dx12

4,201

N/A

geekbench_opencl

117,665

22,844

geekbench_vulkan

153,274

21,769

DETAILED SPECIFICATIONS

SPECIFICATION

RX 7900M

RTX A400

Core Specs

Shading Units

4,608

768 -83.3%

Shaders

4,608

768 -83.3%

TMUs

288

24 -91.7%

ROPs

192

16 -91.7%

Compute Units

72

—

SM Count

—

6

Clocks

Base Clock

1825 MHz

1417 MHz

Boost Clock

2090 MHz

1762 MHz

Memory Clock

2250 MHz 18 Gbps effective

1500 MHz 12 Gbps effective

Memory

Memory Size

16 GB

4 GB

VRAM (MB)

16,384

4,096 -75.0%

Memory Type

GDDR6

GDDR6

Memory Bus

256 bit

64 bit

Bandwidth

576.0 GB/s

96.00 GB/s

Cache

L1 Cache

256 KB per Array

128 KB (per SM)

L2 Cache

6 MB

2 MB

L3 Cache

64 MB

—

L0 Cache

64 KB per WGP

—

Performance

Pixel Rate

401.3 GPixel/s

28.19 GPixel/s

Texture Rate

601.9 GTexel/s

42.29 GTexel/s

FP32 (TFLOPS)

38.52 TFLOPS

2.706 TFLOPS

FP64 (TFLOPS)

1,203.8 GFLOPS (1:32)

42.29 GFLOPS (1:64)

FP16 (TFLOPS)

77.05 TFLOPS (2:1)

2.706 TFLOPS (1:1)

AI/RT

RT Cores

72

6 -91.7%

Tensor Cores

—

24

Power

TDP

180 W

50 W

TDP (W)

180

50 -72.2%

Suggested PSU

—

250 W

Power Connectors

None

None

Architecture

Architecture

RDNA 3.0

Ampere

GPU Name

Navi 31

GA107

Codename

Plum Bonito

—

Generation

Navi Mobile (RX 7000M)

Workstation Ampere (Ax000)

Process Size

5 nm

8 nm

Transistors

57,700 million

8,700 million

Die Size

529 mm²

200 mm²

Foundry

TSMC

Samsung

Density

109.1M / mm²

43.5M / mm²

AMD MCM

GCD Transistors

45,400 million

—

GCD Die Size

304.35 mm²

—

MCD Transistors

2,050 million x6

—

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.2

3.0

CUDA

—

8.6

Shader Model

6.8

6.8

Physical

Slot Width

IGP

Single-slot

Length

—

163 mm 6.4 inches

Height

—

69 mm 2.7 inches

Outputs

Portable Device Dependent

4x mini-DisplayPort 1.4a

Bus Interface

PCIe 4.0 x16

PCIe 4.0 x8

Other

Production

Active

Active

Predecessor

Polaris Mobile

Quadro Turing

Successor

—

Workstation Ada

View Radeon RX 7900M Details View RTX A400 Details