Home GPU Comparison NVIDIA GeForce GTX 680 vs AMD Radeon R9 390

NVIDIA GeForce GTX 680 vs AMD Radeon R9 390

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages
Boost Clock1058MHz
Lower TDP (195W vs 275W)
AMD Radeon R9 390 's Advantages
Released 3 years and 3 months late
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 192.3GB/s)
1024 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 680
3.25 TFLOPS
Radeon R9 390 +57%
5.12 TFLOPS
3DMark Time Spy
GeForce GTX 680
1999
Radeon R9 390 +97%
3950
VS

Graphics Card

Mar 2012
Release Date
Jun 2015
GeForce 600
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1006 MHz
Base Clock
-
1058 MHz
Boost Clock
-
1502 MHz
Memory Clock
1500 MHz

Memory

2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
512bit
192.3GB/s
Bandwidth
384.0GB/s

Render Config

-
Compute Units
40
-
-
-
1536
Shading Units
2560
128
TMUs
160
32
ROPs
64
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

33.86 GPixel/s
Pixel Rate
64.00 GPixel/s
135.4 GTexel/s
Texture Rate
160.0 GTexel/s
-
-
-
3.250 TFLOPS
FP32 (float)
5.120 TFLOPS
135.4 GFLOPS
FP64 (double)
640.0 GFLOPS

Board Design

195W
TDP
275W
450 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GK104
GPU Name
Grenada
GK104-400-A2
GPU Variant
Grenada PRO (215-0880030)
Kepler
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
6.2 billion
294 mm²
Die Size
438 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.3

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