AMD Radeon R9 370X vs NVIDIA GeForce GT 640 OEM Rebrand

VS

AMD Radeon R9 370X NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 370X and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 370X 's Advantages

Released 3 years and 4 months late

Boost Clock1030MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (179.2GB/s vs 38.40GB/s)

1136 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 370X +535%

2.637 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon R9 370X

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Aug 2015

Release Date

Apr 2012

Pirate Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1030 MHz

Boost Clock

-

1400 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

192bit

179.2GB/s

Bandwidth

38.40GB/s

Render Config

-

SM Count

3

24

Compute Units

-

1280

Shading Units

144

80

TMUs

24

32

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

384 KB

Theoretical Performance

32.96 GPixel/s

Pixel Rate

4.320 GPixel/s

82.40 GTexel/s

Texture Rate

17.28 GTexel/s

-

FP16 (half)

-

2.637 TFLOPS

FP32 (float)

414.7 GFLOPS

164.8 GFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

Trinidad

GPU Name

GF116

Trinidad XT

GPU Variant

GF116-150-A1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

1.17 billion

212 mm²

Die Size

238 mm²

Board Design

180W

TDP

75W

450 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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