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GPU Comparison
NVIDIA T400 4 GB vs AMD Radeon R9 390X
NVIDIA T400 4 GB vs AMD Radeon R9 390X
VS
NVIDIA T400 4 GB
AMD Radeon R9 390X
We compared two Desktop platform GPUs: 4GB VRAM T400 4 GB and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA T400 4 GB 's Advantages
Released 5 years and 11 months late
Boost Clock1425MHz
Lower TDP (30W vs 275W)
AMD Radeon R9 390X 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (384.0GB/s vs 80.00GB/s)
2432 additional rendering cores
Score
Benchmark
FP32 (float)
T400 4 GB
1.094 TFLOPS
Radeon R9 390X
+440%
5.914 TFLOPS
T400 4 GB
VS
Radeon R9 390X
Graphics Card
May 2021
Release Date
Jun 2015
Quadro
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
420 MHz
Base Clock
-
1425 MHz
Boost Clock
-
1250 MHz
Memory Clock
1500 MHz
Memory
4GB
Memory Size
8GB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
512bit
80.00GB/s
Bandwidth
384.0GB/s
Render Config
6
SM Count
-
-
Compute Units
44
384
Shading Units
2816
24
TMUs
176
16
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
1024 KB
Theoretical Performance
22.80 GPixel/s
Pixel Rate
67.20 GPixel/s
34.20 GTexel/s
Texture Rate
184.8 GTexel/s
2.189 TFLOPS
FP16 (half)
-
1094 GFLOPS
FP32 (float)
5.914 TFLOPS
34.20 GFLOPS
FP64 (double)
739.2 GFLOPS
Graphics Processor
TU117
GPU Name
Grenada
-
GPU Variant
Grenada XT (215-0880004)
Turing
Architecture
GCN 2.0
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
4.7 billion
Transistors
6.2 billion
200 mm²
Die Size
438 mm²
Board Design
30W
TDP
275W
200 W
Suggested PSU
600 W
3x mini-DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 (12_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
7.5
CUDA
-
6.6
Shader Model
6.3
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