GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6800S

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2100 MHz

TDP 100 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2022

VS

NVIDIA

GEFORCE

GeForce GT 640M Mac Edition

CORE STATE GK107

VRAM 512 MB

CLOCK SPEED 745 MHz

TDP 32 W

BUS WIDTH 64 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2013

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,689

N/A

geekbench_metal

85,256

N/A

geekbench_opencl

73,202

N/A

geekbench_vulkan

80,181

N/A

passmark_directx_10

91

N/A

passmark_directx_11

139

N/A

passmark_directx_12

65

N/A

passmark_directx_9

200

N/A

passmark_g2d

732

N/A

passmark_g3d

15,908

N/A

passmark_gpu_compute

6,144

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6800S

GT 640M Mac Edition

Core Specs

Shading Units

2,048

384 -81.3%

Shaders

2,048

384 -81.3%

TMUs

128

32 -75.0%

ROPs

64

8 -87.5%

Compute Units

32

—

Clocks

Base Clock

1800 MHz

745 MHz

Boost Clock

2100 MHz

745 MHz

Game Clock

1975 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1250 MHz 5 Gbps effective

Memory

Memory Size

8 GB

512 MB

VRAM (MB)

8,192

512 -93.8%

Memory Type

GDDR6

GDDR5

Memory Bus

128 bit

64 bit

Bandwidth

256.0 GB/s

40.00 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per SMX)

L2 Cache

2 MB

128 KB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

134.4 GPixel/s

5.960 GPixel/s

Texture Rate

268.8 GTexel/s

23.84 GTexel/s

FP32 (TFLOPS)

8.602 TFLOPS

572.2 GFLOPS

FP64 (TFLOPS)

537.6 GFLOPS (1:16)

23.84 GFLOPS (1:24)

FP16 (TFLOPS)

17.20 TFLOPS (2:1)

—

AI/RT

RT Cores

32

—

Power

TDP

100 W

32 W

TDP (W)

100

32 -68.0%

Power Connectors

None

None

Architecture

Architecture

RDNA 2.0

Kepler

GPU Name

Navi 23

GK107

Generation

Navi Mobile (RX 6000M)

GeForce 600M

Process Size

7 nm

28 nm

Transistors

11,060 million

1,270 million

Die Size

237 mm²

118 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

10.8M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.2.175

OpenCL

2.1

3.0

CUDA

—

3.0

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

IGP

IGP

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Polaris Mobile

GeForce 500M

Successor

—

GeForce 700M

View Radeon RX 6800S Details View GeForce GT 640M Mac Edition Details