Home Comparison Radeon RX 6400 vs GeForce GTX 680

Radeon RX 6400 vs GeForce GTX 680

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 2GB VRAM GeForce GTX 680 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Radeon RX 6400 's Advantages
Released 9 years and 10 months late
Boost Clock has increased by 119% (2321MHz vs 1058MHz)
More VRAM (4GB vs 2GB)
Lower TDP (53W vs 195W)
GeForce GTX 680 's Advantages
Larger VRAM bandwidth (192.3GB/s vs 128.0GB/s)
768 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 6400 +9%
3565
GeForce GTX 680
3250
3DMark Time Spy
Radeon RX 6400 +78%
3585
GeForce GTX 680
2004

Graphics Card

Jan 2022
Release Date
Mar 2012
Navi II
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 3.0 x16

Clock Speeds

1923 MHz
Base Clock
1006 MHz
2321 MHz
Boost Clock
1058 MHz
2000 MHz
Memory Clock
1502 MHz

Memory

4GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
256bit
128.0GB/s
Bandwidth
192.3GB/s

Render Config

12
Compute Units
-
768
Shading Units
1536
48
TMUs
128
32
ROPs
32
12
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
512 KB
16 MB
L3 Cache
-

Theoretical Performance

74.27 GPixel/s
Pixel Rate
33.86 GPixel/s
111.4 GTexel/s
Texture Rate
135.4 GTexel/s
7.130 TFLOPS
FP16 (half)
-
3.565 TFLOPS
FP32 (float)
3.250 TFLOPS
222.8 GFLOPS
FP64 (double)
135.4 GFLOPS

Board Design

53W
TDP
195W
250 W
Suggested PSU
450 W
1x HDMI 2.1 1x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
2x 6-pin

Graphics Processor

Navi 24
GPU Name
GK104
Navi 24 XL (215-135000046)
GPU Variant
GK104-400-A2
RDNA 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
5.4 billion
Transistors
3.54 billion
107 mm²
Die Size
294 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.2
OpenCL
3.0
1.3
Vulkan
1.1
-
CUDA
3.0
6.7
Shader Model
5.1
© 2025 - TopCPU.net