GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6900 XT

CORE STATE Navi 21

VRAM 16 GB

CLOCK SPEED 2250 MHz

TDP 300 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

VS

A

AMD

RADEON

Radeon RX 7800M

CORE STATE Navi 32

VRAM 12 GB

CLOCK SPEED 2335 MHz

TDP 180 W

BUS WIDTH 192 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

4,079

3,073

geekbench_metal

207,444

N/A

geekbench_opencl

167,057

121,647

geekbench_vulkan

166,636

N/A

passmark_directx_10

167

N/A

passmark_directx_11

279

N/A

passmark_directx_12

113

N/A

passmark_directx_9

268

N/A

passmark_g2d

1,055

N/A

passmark_g3d

26,732

N/A

passmark_gpu_compute

14,547

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6900 XT

RX 7800M

Core Specs

Shading Units

5,120

3,840 -25.0%

Shaders

5,120

3,840 -25.0%

TMUs

320

240 -25.0%

ROPs

128

96 -25.0%

Compute Units

80

60 -25.0%

Clocks

Base Clock

1825 MHz

1295 MHz

Boost Clock

2250 MHz

2335 MHz

Game Clock

2015 MHz

2145 MHz

Memory Clock

2000 MHz 16 Gbps effective

2250 MHz 18 Gbps effective

Memory

Memory Size

16 GB

12 GB

VRAM (MB)

16,384

12,288 -25.0%

Memory Type

GDDR6

GDDR6

Memory Bus

256 bit

192 bit

Bandwidth

512.0 GB/s

432.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB per Array

L2 Cache

4 MB

4 MB

L3 Cache

128 MB

48 MB

L0 Cache

32 KB per WGP

32 KB per WGP

Performance

Pixel Rate

288.0 GPixel/s

224.2 GPixel/s

Texture Rate

720.0 GTexel/s

560.4 GTexel/s

FP32 (TFLOPS)

23.04 TFLOPS

35.87 TFLOPS

FP64 (TFLOPS)

1,440.0 GFLOPS (1:16)

1,120.8 GFLOPS (1:32)

FP16 (TFLOPS)

46.08 TFLOPS (2:1)

71.73 TFLOPS (2:1)

AI/RT

RT Cores

80

60 -25.0%

Power

TDP

300 W

180 W

TDP (W)

300

180 -40.0%

Suggested PSU

700 W

—

Power Connectors

2x 8-pin

None

Architecture

Architecture

RDNA 2.0

RDNA 3.0

GPU Name

Navi 21

Navi 32

Codename

—

Wheat Nas

Generation

Navi II (RX 6000)

Navi Mobile (RX 7000M)

Process Size

7 nm

5 nm

Transistors

26,800 million

28,100 million

Die Size

520 mm²

346 mm²

Foundry

TSMC

TSMC

Density

51.5M / mm²

81.2M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

2.2

Shader Model

6.8

6.8

Physical

Slot Width

Triple-slot

IGP

Length

267 mm 10.5 inches

—

Height

120 mm 4.7 inches

—

Outputs

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

Portable Device Dependent

Bus Interface

PCIe 4.0 x16

PCIe 4.0 x16

Other

Launch Price

999 USD

—

Production

End-of-life

Active

Predecessor

Navi

Polaris Mobile

Successor

Navi III

—

View Radeon RX 6900 XT Details View Radeon RX 7800M Details