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

Quadro P620

CORE STATE GP107

VRAM 2 GB

CLOCK SPEED 1354 MHz

TDP 40 W

BUS WIDTH 128 bit

ARCHITECTURE Pascal

nm

PROCESS 14 nm

LAUNCH DATE 2018

PERFORMANCE BENCHMARKS

geekbench_opencl

N/A

12,064

geekbench_vulkan

N/A

11,018

passmark_directx_10

N/A

14

passmark_directx_11

N/A

28

passmark_directx_12

N/A

15

passmark_directx_9

N/A

69

passmark_g2d

N/A

545

passmark_g3d

N/A

3,674

passmark_gpu_compute

N/A

1,561

DETAILED SPECIFICATIONS

SPECIFICATION

RX 640 OEM

Quadro P620

Core Specs

Shading Units

640

512 -20.0%

Shaders

640

512 -20.0%

TMUs

40

32 -20.0%

ROPs

16

16 0.0%

Compute Units

10

—

SM Count

—

4

Clocks

Base Clock

—

1266 MHz

Boost Clock

—

1354 MHz

GPU Clock

1295 MHz

—

Memory Clock

1500 MHz 6 Gbps effective

1252 MHz 5 Gbps effective

Memory

Memory Size

4 GB

2 GB

VRAM (MB)

4,096

2,048 -50.0%

Memory Type

GDDR5

GDDR5

Memory Bus

128 bit

128 bit

Bandwidth

96.00 GB/s

80.13 GB/s

Cache

L1 Cache

16 KB (per CU)

48 KB (per SM)

L2 Cache

512 KB

1024 KB

Performance

Pixel Rate

20.72 GPixel/s

21.66 GPixel/s

Texture Rate

51.80 GTexel/s

43.33 GTexel/s

FP32 (TFLOPS)

1.658 TFLOPS

1,386.5 GFLOPS

FP64 (TFLOPS)

103.6 GFLOPS (1:16)

43.33 GFLOPS (1:32)

FP16 (TFLOPS)

1.658 TFLOPS (1:1)

21.66 GFLOPS (1:64)

Power

TDP

50 W

40 W

TDP (W)

50

40 -20.0%

Suggested PSU

250 W

200 W

Power Connectors

None

None

Architecture

Architecture

GCN 4.0

Pascal

GPU Name

Polaris 23

GP107

Generation

Polaris (RX 600)

Quadro Pascal (Px200)

Process Size

14 nm

14 nm

Transistors

2,200 million

3,300 million

Die Size

103 mm²

132 mm²

Foundry

GlobalFoundries

Samsung

Density

21.4M / mm²

25.0M / 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

—

6.1

Shader Model

6.7

6.8

Physical

Slot Width

Single-slot

Single-slot

Length

—

145 mm 5.7 inches

Height

—

69 mm 2.7 inches

Outputs

1x DisplayPort 1.4a2x mini-DisplayPort 1.4a

4x mini-DisplayPort 1.4a

Bus Interface

PCIe 3.0 x8

PCIe 3.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Polaris

Quadro Maxwell

Successor

Vega

Quadro Volta

View Radeon RX 640 OEM Details View Quadro P620 Details