GPU Comparison

A

AMD

RADEON

AMD Radeon RX 640 OEM

CORE STATE Polaris 23

VRAM 4 GB

CLOCK SPEED —

TDP 50 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2020

VS

NVIDIA

GEFORCE

GeForce GTX 980M

CORE STATE GM204

VRAM 8 GB

CLOCK SPEED 1127 MHz

TDP —

BUS WIDTH 256 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

N/A

649

geekbench_opencl

N/A

23,832

geekbench_vulkan

N/A

13,964

passmark_directx_10

N/A

35

passmark_directx_11

N/A

57

passmark_directx_12

N/A

31

passmark_directx_9

N/A

125

passmark_g2d

N/A

490

passmark_g3d

N/A

7,338

passmark_gpu_compute

N/A

2,816

DETAILED SPECIFICATIONS

SPECIFICATION

RX 640 OEM

GTX 980M

Core Specs

Shading Units

640

1,536 +140.0%

Shaders

640

1,536 +140.0%

TMUs

40

96 +140.0%

ROPs

16

64 +300.0%

Compute Units

10

—

Clocks

Base Clock

—

1038 MHz

Boost Clock

—

1127 MHz

GPU Clock

1295 MHz

—

Memory Clock

1500 MHz 6 Gbps effective

1253 MHz 5 Gbps effective

Memory

Memory Size

4 GB

8 GB

VRAM (MB)

4,096

8,192 +100.0%

Memory Type

GDDR5

GDDR5

Memory Bus

128 bit

256 bit

Bandwidth

96.00 GB/s

160.4 GB/s

Cache

L1 Cache

16 KB (per CU)

48 KB (per SMM)

L2 Cache

512 KB

2 MB

Performance

Pixel Rate

20.72 GPixel/s

72.13 GPixel/s

Texture Rate

51.80 GTexel/s

108.2 GTexel/s

FP32 (TFLOPS)

1.658 TFLOPS

3.462 TFLOPS

FP64 (TFLOPS)

103.6 GFLOPS (1:16)

108.2 GFLOPS (1:32)

FP16 (TFLOPS)

1.658 TFLOPS (1:1)

—

Power

TDP

50 W

—

TDP (W)

50

—

Suggested PSU

250 W

—

Power Connectors

None

None

Architecture

Architecture

GCN 4.0

Maxwell 2.0

GPU Name

Polaris 23

GM204

Generation

Polaris (RX 600)

GeForce 900M

Process Size

14 nm

28 nm

Transistors

2,200 million

5,200 million

Die Size

103 mm²

398 mm²

Foundry

GlobalFoundries

TSMC

Density

21.4M / mm²

13.1M / mm²

API Support

DirectX

12 (12_0)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

3.0

CUDA

—

5.2

Shader Model

6.7

6.8

Physical

Slot Width

Single-slot

MXM Module

Outputs

1x DisplayPort 1.4a2x mini-DisplayPort 1.4a

Portable Device Dependent

Bus Interface

PCIe 3.0 x8

MXM-B (3.0)

Other

Production

End-of-life

End-of-life

Predecessor

Polaris

GeForce 800M

Successor

Vega

GeForce 10 Mobile

View Radeon RX 640 OEM Details View GeForce GTX 980M Details