Home GPU Comparison NVIDIA GeForce GTX 680 vs AMD Radeon RX 6800

NVIDIA GeForce GTX 680 vs AMD Radeon RX 6800

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 16GB VRAM Radeon RX 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages
Lower TDP (195W vs 250W)
AMD Radeon RX 6800 's Advantages
Released 8 years and 7 months late
Boost Clock has increased by 99% (2105MHz vs 1058MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 192.3GB/s)
2304 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 680
3.25 TFLOPS
Radeon RX 6800 +397%
16.17 TFLOPS
3DMark Time Spy
GeForce GTX 680
1999
Radeon RX 6800 +712%
16233
VS

Graphics Card

Mar 2012
Release Date
Oct 2020
GeForce 600
Generation
Navi II
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1006 MHz
Base Clock
1700 MHz
1058 MHz
Boost Clock
2105 MHz
1502 MHz
Memory Clock
2000 MHz

Memory

2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
192.3GB/s
Bandwidth
512.0GB/s

Render Config

-
Compute Units
60
-
-
-
1536
Shading Units
3840
128
TMUs
240
32
ROPs
96
-
-
-
-
RT Cores
60
16 KB (per SMX)
L1 Cache
128 KB per Array
512 KB
L2 Cache
4 MB
-
L3 Cache
128 MB

Theoretical Performance

33.86 GPixel/s
Pixel Rate
202.1 GPixel/s
135.4 GTexel/s
Texture Rate
505.2 GTexel/s
-
FP16 (half)
32.33 TFLOPS
3.250 TFLOPS
FP32 (float)
16.17 TFLOPS
135.4 GFLOPS
FP64 (double)
1010 GFLOPS

Board Design

195W
TDP
250W
450 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
2x 6-pin
Power Connectors
2x 8-pin

Graphics Processor

GK104
GPU Name
Navi 21
GK104-400-A2
GPU Variant
Navi 21 XL (215-121000187)
Kepler
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
3.54 billion
Transistors
26.8 billion
294 mm²
Die Size
520 mm²

Graphics Features

12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.5

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