GeForce GTX 680 Mac Edition vs Radeon HD 4870 X2
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680 Mac Edition 's Advantages
Released 4 years and 8 months late
Boost Clock1058MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (192.3GB/s vs 115.2GB/s)
736 additional rendering cores
Lower TDP (195W vs 286W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+170%
3250
Radeon HD 4870 X2
1200
Graphics Card
Apr 2013
Release Date
Aug 2008
GeForce 600
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1006 MHz
Base Clock
-
1058 MHz
Boost Clock
-
1502 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
192.3GB/s
Bandwidth
115.2GB/s
Render Config
-
Compute Units
10
1536
Shading Units
800
128
TMUs
40
32
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
12.00 GPixel/s
135.4 GTexel/s
Texture Rate
30.00 GTexel/s
3.250 TFLOPS
FP32 (float)
1200 GFLOPS
135.4 GFLOPS
FP64 (double)
240.0 GFLOPS
Board Design
195W
TDP
286W
450 W
Suggested PSU
600 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 + 1x 8-pin
Graphics Processor
GK104
GPU Name
R700
GK104-400-A2
GPU Variant
R700 XT
(215-0669045)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
3.54 billion
Transistors
0.956 billion
294 mm²
Die Size
256 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