GPU Comparison

A

AMD

RADEON

AMD Radeon Instinct MI25

CORE STATE Vega 10

VRAM 16 GB

CLOCK SPEED 1500 MHz

TDP 300 W

BUS WIDTH 2048 bit

ARCHITECTURE GCN 5.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

VS

A

AMD

RADEON

Radeon RX 6800

CORE STATE Navi 21

VRAM 16 GB

CLOCK SPEED 2105 MHz

TDP 250 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_opencl

68,562

24,559

3dmark_3dmark_steel_nomad_dx12

N/A

3,188

geekbench_metal

N/A

175,541

geekbench_vulkan

N/A

130,531

passmark_directx_10

N/A

128

passmark_directx_11

N/A

214

passmark_directx_12

N/A

89

passmark_directx_9

N/A

257

passmark_g2d

N/A

990

passmark_g3d

N/A

22,067

passmark_gpu_compute

N/A

10,864

DETAILED SPECIFICATIONS

SPECIFICATION

Instinct MI25

RX 6800

Core Specs

Shading Units

4,096

3,840 -6.3%

Shaders

4,096

3,840 -6.3%

TMUs

256

240 -6.3%

ROPs

64

96 +50.0%

Compute Units

64

60 -6.3%

Clocks

Base Clock

1400 MHz

1700 MHz

Boost Clock

1500 MHz

2105 MHz

Game Clock

—

1815 MHz

Memory Clock

852 MHz 1704 Mbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

16 GB

16 GB

VRAM (MB)

16,384

16,384 0.0%

Memory Type

HBM2

GDDR6

Memory Bus

2048 bit

256 bit

Bandwidth

436.2 GB/s

512.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

4 MB

4 MB

L3 Cache

—

128 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

96.00 GPixel/s

202.1 GPixel/s

Texture Rate

384.0 GTexel/s

505.2 GTexel/s

FP32 (TFLOPS)

12.29 TFLOPS

16.17 TFLOPS

FP64 (TFLOPS)

768.0 GFLOPS (1:16)

1,010.4 GFLOPS (1:16)

FP16 (TFLOPS)

24.58 TFLOPS (2:1)

32.33 TFLOPS (2:1)

AI/RT

RT Cores

—

60

Power

TDP

300 W

250 W

TDP (W)

300

250 -16.7%

Suggested PSU

700 W

600 W

Power Connectors

2x 8-pin

2x 8-pin

Architecture

Architecture

GCN 5.0

RDNA 2.0

GPU Name

Vega 10

Navi 21

Generation

Radeon Instinct (MIx)

Navi II (RX 6000)

Process Size

14 nm

7 nm

Transistors

12,500 million

26,800 million

Die Size

495 mm²

520 mm²

Foundry

GlobalFoundries

TSMC

Density

25.3M / mm²

51.5M / mm²

API Support

DirectX

12 (12_1)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

2.1

Shader Model

6.7

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

120 mm 4.7 inches

Outputs

No outputs

1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x16

Other

Launch Price

—

579 USD

Production

End-of-life

End-of-life

Predecessor

FirePro Data Center

Navi

Successor

—

Navi III

View Radeon Instinct MI25 Details View Radeon RX 6800 Details