GPU Comparison

A

AMD

RADEON

AMD Radeon RX 7800 XT

CORE STATE Navi 32

VRAM 16 GB

CLOCK SPEED 2430 MHz

TDP 263 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

4,157

N/A

geekbench_opencl

139,381

N/A

geekbench_vulkan

143,060

N/A

passmark_directx_10

121

N/A

passmark_directx_11

249

N/A

passmark_directx_12

93

N/A

passmark_directx_9

304

N/A

passmark_g2d

1,177

N/A

passmark_g3d

24,176

N/A

passmark_gpu_compute

13,473

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 7800 XT

H100 CNX

Core Specs

Shading Units

3,840

14,592 +280.0%

Shaders

3,840

14,592 +280.0%

TMUs

240

456 +90.0%

ROPs

96

24 -75.0%

Compute Units

60

—

SM Count

—

114

Clocks

Base Clock

1295 MHz

690 MHz

Boost Clock

2430 MHz

1845 MHz

Game Clock

2124 MHz

—

Memory Clock

2438 MHz 19.5 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

624.1 GB/s

2.04 TB/s

Cache

L1 Cache

128 KB per Array

256 KB (per SM)

L2 Cache

4 MB

50 MB

L3 Cache

64 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

233.3 GPixel/s

44.28 GPixel/s

Texture Rate

583.2 GTexel/s

841.3 GTexel/s

FP32 (TFLOPS)

37.32 TFLOPS

53.84 TFLOPS

FP64 (TFLOPS)

1,166.4 GFLOPS (1:32)

26.92 TFLOPS (1:2)

FP16 (TFLOPS)

74.65 TFLOPS (2:1)

215.4 TFLOPS (4:1)

AI/RT

RT Cores

60

—

Tensor Cores

—

456

Matrix Cores

120

—

Power

TDP

263 W

350 W

TDP (W)

263

350 +33.1%

Suggested PSU

600 W

750 W

Power Connectors

2x 8-pin

8-pin EPS

Architecture

Architecture

RDNA 3.0

Hopper

GPU Name

Navi 32

GH100

Codename

Wheat Nas

—

Generation

Navi III (RX 7000)

Server Hopper (Hxx)

Process Size

5 nm

5 nm

Transistors

28,100 million

80,000 million

Die Size

346 mm²

814 mm²

Foundry

TSMC

TSMC

Density

81.2M / mm²

98.3M / mm²

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

267 mm 10.5 inches

267 mm 10.5 inches

Height

111 mm 4.4 inches

111 mm 4.4 inches

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

No outputs

Bus Interface

PCIe 4.0 x16

PCIe 5.0 x16

Other

Launch Price

499 USD

—

Production

Active

Active

Predecessor

Navi II

Server Ada

Successor

Navi IV

Server Blackwell

View Radeon RX 7800 XT Details View H100 CNX Details