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 6600 XT

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2589 MHz

TDP 160 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl

68,562

82,736

3dmark_3dmark_steel_nomad_dx12

N/A

1,804

geekbench_metal

N/A

108,608

geekbench_vulkan

N/A

89,263

passmark_directx_10

N/A

109

passmark_directx_11

N/A

163

passmark_directx_12

N/A

61

passmark_directx_9

N/A

194

passmark_g2d

N/A

912

passmark_g3d

N/A

16,461

passmark_gpu_compute

N/A

7,520

DETAILED SPECIFICATIONS

SPECIFICATION

Instinct MI25

RX 6600 XT

Core Specs

Shading Units

4,096

2,048 -50.0%

Shaders

4,096

2,048 -50.0%

TMUs

256

128 -50.0%

ROPs

64

64 0.0%

Compute Units

64

32 -50.0%

Clocks

Base Clock

1400 MHz

1968 MHz

Boost Clock

1500 MHz

2589 MHz

Game Clock

—

2359 MHz

Memory Clock

852 MHz 1704 Mbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

16 GB

8 GB

VRAM (MB)

16,384

8,192 -50.0%

Memory Type

HBM2

GDDR6

Memory Bus

2048 bit

128 bit

Bandwidth

436.2 GB/s

256.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

4 MB

2 MB

L3 Cache

—

32 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

96.00 GPixel/s

165.7 GPixel/s

Texture Rate

384.0 GTexel/s

331.4 GTexel/s

FP32 (TFLOPS)

12.29 TFLOPS

10.60 TFLOPS

FP64 (TFLOPS)

768.0 GFLOPS (1:16)

662.8 GFLOPS (1:16)

FP16 (TFLOPS)

24.58 TFLOPS (2:1)

21.21 TFLOPS (2:1)

AI/RT

RT Cores

—

32

Power

TDP

300 W

160 W

TDP (W)

300

160 -46.7%

Suggested PSU

700 W

450 W

Power Connectors

2x 8-pin

1x 8-pin

Architecture

Architecture

GCN 5.0

RDNA 2.0

GPU Name

Vega 10

Navi 23

Generation

Radeon Instinct (MIx)

Navi II (RX 6000)

Process Size

14 nm

7 nm

Transistors

12,500 million

11,060 million

Die Size

495 mm²

237 mm²

Foundry

GlobalFoundries

TSMC

Density

25.3M / mm²

46.7M / 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

190 mm 7.5 inches

Height

111 mm 4.4 inches

110 mm 4.3 inches

Outputs

No outputs

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x8

Other

Launch Price

—

379 USD

Production

End-of-life

End-of-life

Predecessor

FirePro Data Center

Navi

Successor

—

Navi III

View Radeon Instinct MI25 Details View Radeon RX 6600 XT Details