NVIDIA GeForce GTX 660 vs NVIDIA T400 4GB

Compare NVIDIA GeForce GTX 660 3 GB vs NVIDIA T400 4GB, specs and GPU benchmark score. Which is the better graphics card for the money?

Benchmark Score
Other Benchmarks
Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

816 points

844 points

3% slightly better overall score

Flux Core frame rate

Volumetric ray casting test, a computationally expensive method of rendering high-quality scenes

18 FPS

22 FPS

4 FPS slightly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

11 FPS

Identical

11 FPS

City frame rate

Procedurally generated city scene with voxel rendering

13 FPS

14 FPS

2 FPS slightly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

9 FPS

1 FPS slightly higher Clouds frame rate

8 FPS

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

122.56 points

174.01 points

41% slightly higher Blender score

Geekbench 5 (CUDA) score

CUDA compute benchmark

8583 points

16323 points

90% significantly higher Geekbench 5 (CUDA) score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

11381 points

16489 points

44% significantly higher Geekbench 5 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

11353 points

17184 points

51% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

11858 points

16244 points

36% slightly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

980 MHz

133% significantly higher core clock speed

420 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1032 MHz

1425 MHz

38% slightly higher boost clock speed

Memory Bus Width

Number of parallel lines to the memory chips

192 Bit

200% significantly larger memory bus width

64 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

144.2 GB/s

80% significantly higher memory bandwidth

80 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

140 W

30 W

366% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

20.64 Gigapixels/s

22.8 Gigapixels/s

10% slightly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

82.56 Gigatexels/s

141% significantly higher texture rate

34.2 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

960

150% significantly more shading units

384

Texture Mapping Units

Number of processors dedicated to applying textures

233% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

49% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

276th of 586

273rd of 586

Release date

The official date of release of this chip

2021 May

Memory Type

The type of memory used by this chip

GDDR5

GDDR6

DirectX Support

Maximum version of DirectX supported

11.0

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

GeForce GTX 660 vs T400 4GB specs and performance

In our benchmarks, the T400 4GB beats the GeForce GTX 660 in gaming performance.

The GeForce GTX 660 has a significantly higher core clock speed. The core clock speed (or base speed) is the frequency at which the GPU core runs. This metric makes sense when comparing GPUs of a similar architecture or generation. Despite this, the T400 4GB has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

In addition, the T400 4GB has a significantly lower TDP at 30 W when compared to the GeForce GTX 660 at 140 W. This is not a measure of performance, but rather the amount of heat generated by the chip when running at its highest speed.

In terms of raw gaming performance in our GPU benchmark, the T400 4GB is better than the GeForce GTX 660.