AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 680M

GPU · Specs Compare

Products
GPU AMD Radeon HD 6870 X2 AMD · 2011-07
GPU NVIDIA GeForce GTX 680M NVIDIA · 2012-06
Graphics Card
Release Date
Jul 2011
Jun 2012
Generation
Northern Islands
GeForce 600M
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1050 MHz
900 MHz
Base Clock
—
719 MHz
Boost Clock
—
758 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
115.2GB/s
Render Config
Compute Units
14
—
Shading Units
1120
1344
TMUs
56
112
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
21.22 GPixel/s
Texture Rate
50.40 GTexel/s
84.90 GTexel/s
FP32 (float)
2.016 TFLOPS
2.038 TFLOPS
FP64 (double)
—
84.90 GFLOPS
Graphics Processor
GPU Name
Barts
GK104
GPU Variant
Barts XT(215-0798000)
N13E-GTX-A2
Architecture
TeraScale 2
Kepler
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
1.7 billion
3.54 billion
Die Size
255 mm²
294 mm²
Board Design
TDP
300W
100W
Suggested PSU
700 W
—
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
—
None
Graphics Features
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.1
Shader Model
5.0
5.1
CUDA
—
3.0
Benchmark
Blender
—
189
▲ Specs Compare Data sourced from official specifications and benchmark tests.