Home GPU Comparison NVIDIA T400 vs AMD Radeon HD 7790

NVIDIA T400 vs AMD Radeon HD 7790

We compared two Desktop platform GPUs: 2GB VRAM T400 and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 's Advantages
Released 8 years and 2 months late
Boost Clock1425MHz
More VRAM (2GB vs 1024GB)
Lower TDP (30W vs 85W)
AMD Radeon HD 7790 's Advantages
Larger VRAM bandwidth (96.00GB/s vs 80.00GB/s)
512 additional rendering cores

Score

Benchmark

FP32 (float)
T400
1.094 TFLOPS
Radeon HD 7790 +63%
1.792 TFLOPS
VS

Graphics Card

May 2021
Release Date
Mar 2013
Quadro
Generation
Southern 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

2GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
128bit
80.00GB/s
Bandwidth
96.00GB/s

Render Config

-
Compute Units
14
6
SM Count
-
384
Shading Units
896
24
TMUs
56
16
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

22.80 GPixel/s
Pixel Rate
16.00 GPixel/s
34.20 GTexel/s
Texture Rate
56.00 GTexel/s
2.189 TFLOPS
FP16 (half)
-
1094 GFLOPS
FP32 (float)
1.792 TFLOPS
34.20 GFLOPS
FP64 (double)
112.0 GFLOPS

Board Design

30W
TDP
85W
200 W
Suggested PSU
250 W
3x mini-DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
None
Power Connectors
1x 6-pin

Graphics Processor

TU117
GPU Name
Bonaire
-
GPU Variant
Bonaire XT (215-0839039)
Turing
Architecture
GCN 2.0
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
4.7 billion
Transistors
2.08 billion
200 mm²
Die Size
160 mm²

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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