GPU Comparison

A

AMD

RADEON

AMD Radeon RX 7900 GRE

CORE STATE Navi 31

VRAM 16 GB

CLOCK SPEED 2245 MHz

TDP 260 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

VS

NVIDIA

GEFORCE

H100 CNX

CORE STATE GH100

VRAM 80 GB

CLOCK SPEED 1845 MHz

TDP 350 W

BUS WIDTH 5120 bit

ARCHITECTURE Hopper

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

4,814

N/A

geekbench_opencl

167,913

N/A

geekbench_vulkan

144,142

N/A

passmark_directx_10

139

N/A

passmark_directx_11

300

N/A

passmark_directx_12

107

N/A

passmark_directx_9

310

N/A

passmark_g2d

1,180

N/A

passmark_g3d

27,089

N/A

passmark_gpu_compute

15,016

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 7900 GRE

H100 CNX

Core Specs

Shading Units

5,120

14,592 +185.0%

Shaders

5,120

14,592 +185.0%

TMUs

320

456 +42.5%

ROPs

160

24 -85.0%

Compute Units

80

—

SM Count

—

114

Clocks

Base Clock

1287 MHz

690 MHz

Boost Clock

2245 MHz

1845 MHz

Game Clock

1880 MHz

—

Shader Clock

1880 MHz

—

Memory Clock

2250 MHz 18 Gbps effective

1593 MHz 3.2 Gbps effective

Memory

Memory Size

16 GB

80 GB

VRAM (MB)

16,384

81,920 +400.0%

Memory Type

GDDR6

HBM2e

Memory Bus

256 bit

5120 bit

Bandwidth

576.0 GB/s

2.04 TB/s

Cache

L1 Cache

256 KB per Array

256 KB (per SM)

L2 Cache

6 MB

50 MB

L3 Cache

64 MB

—

L0 Cache

64 KB per WGP

—

Performance

Pixel Rate

359.2 GPixel/s

44.28 GPixel/s

Texture Rate

718.4 GTexel/s

841.3 GTexel/s

FP32 (TFLOPS)

45.98 TFLOPS

53.84 TFLOPS

FP64 (TFLOPS)

1,436.8 GFLOPS (1:32)

26.92 TFLOPS (1:2)

FP16 (TFLOPS)

91.96 TFLOPS (2:1)

215.4 TFLOPS (4:1)

AI/RT

RT Cores

80

—

Tensor Cores

—

456

Matrix Cores

160

—

Power

TDP

260 W

350 W

TDP (W)

260

350 +34.6%

Suggested PSU

600 W

750 W

Power Connectors

2x 8-pin

8-pin EPS

Architecture

Architecture

RDNA 3.0

Hopper

GPU Name

Navi 31

GH100

Codename

Plum Bonito

—

Generation

Navi III (RX 7000)

Server Hopper (Hxx)

Process Size

5 nm

5 nm

Transistors

57,700 million

80,000 million

Die Size

529 mm²

814 mm²

Foundry

TSMC

TSMC

Density

109.1M / mm²

98.3M / 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)

—

OpenGL

4.6

—

Vulkan

1.4

—

OpenCL

2.2

3.0

CUDA

—

9.0

Shader Model

6.8

—

Physical

Slot Width

Dual-slot

Dual-slot

Length

276 mm 10.9 inches

267 mm 10.5 inches

Height

110 mm 4.3 inches

111 mm 4.4 inches

Outputs

1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C

No outputs

Bus Interface

PCIe 4.0 x16

PCIe 5.0 x16

Other

Launch Price

549 USD

—

Production

Active

Active

Predecessor

Navi II

Server Ada

Successor

Navi IV

Server Blackwell

View Radeon RX 7900 GRE Details View H100 CNX Details