Home GPU Comparison AMD Radeon 660M vs NVIDIA T400 4 GB

AMD Radeon 660M vs NVIDIA T400 4 GB

We compared a Integrated graphics card GPU: 0System Shared VRAM Radeon 660M and a Desktop platform GPU: 4GB VRAM T400 4 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 660M 's Advantages
Released 8 months late
Boost Clock has increased by 33% (1900MHz vs 1425MHz)
Lower TDP (15W vs 30W)

Score

Benchmark

FP32 (float)
Radeon 660M +33%
1.459 TFLOPS
T400 4 GB
1.094 TFLOPS
Blender
Radeon 660M
99
T400 4 GB +112%
210
VS

Graphics Card

Jan 2022
Release Date
May 2021
Rembrandt
Generation
Quadro
Integrated
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

1500 MHz
Base Clock
420 MHz
1900 MHz
Boost Clock
1425 MHz
System Shared
Memory Clock
1250 MHz

Memory

System Shared
Memory Size
4GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
64bit
System Dependent
Bandwidth
80.00GB/s

Render Config

-
SM Count
6
6
Compute Units
-
384
Shading Units
384
24
TMUs
24
16
ROPs
16
-
Tensor Cores
-
6
RT Cores
-
128 KB per Array
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
1024 KB

Theoretical Performance

30.40 GPixel/s
Pixel Rate
22.80 GPixel/s
45.60 GTexel/s
Texture Rate
34.20 GTexel/s
2.918 TFLOPS
FP16 (half)
2.189 TFLOPS
1459 GFLOPS
FP32 (float)
1094 GFLOPS
91.20 GFLOPS
FP64 (double)
34.20 GFLOPS

Graphics Processor

Rembrandt
GPU Name
TU117
-
GPU Variant
-
RDNA 2.0
Architecture
Turing
TSMC
Foundry
TSMC
6 nm
Process Size
12 nm
13.1 billion
Transistors
4.7 billion
210 mm²
Die Size
200 mm²

Board Design

15W
TDP
30W
-
Suggested PSU
200 W
No outputs
Outputs
3x mini-DisplayPort 1.4a
None
Power Connectors
None

Graphics Features

12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
7.5
6.5
Shader Model
6.6

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