GeForce GTX 680 vs Radeon HD 4770
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 512MB VRAM Radeon HD 4770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680 's Advantages
Released 2 years and 11 months late
Boost Clock1058MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 51.20GB/s)
896 additional rendering cores
Radeon HD 4770 's Advantages
Lower TDP (80W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680
+238%
3250
Radeon HD 4770
960
Graphics Card
Mar 2012
Release Date
Apr 2009
GeForce 600
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1006 MHz
Base Clock
-
1058 MHz
Boost Clock
-
1502 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
192.3GB/s
Bandwidth
51.20GB/s
Render Config
-
Compute Units
8
1536
Shading Units
640
128
TMUs
32
32
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
12.00 GPixel/s
135.4 GTexel/s
Texture Rate
24.00 GTexel/s
3.250 TFLOPS
FP32 (float)
960.0 GFLOPS
135.4 GFLOPS
FP64 (double)
192.0 GFLOPS
Board Design
195W
TDP
80W
450 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x S-Video
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GK104
GPU Name
RV740
GK104-400-A2
GPU Variant
RV740 XT
(215-0727019)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.826 billion
294 mm²
Die Size
137 mm²
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1