Radeon HD 6670 vs ATI Radeon HD 2400
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 256MB VRAM ATI Radeon HD 2400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6670 Advantages
Released 3 years and 2 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (64.00GB/s vs 7.920GB/s)
440 additional rendering cores
ATI Radeon HD 2400 Advantages
Lower TDP (20W vs 66W)
Score
Benchmark
FP32 (float)
Radeon HD 6670
+2300%
768
ATI Radeon HD 2400
32
Graphics Card
Apr 2011
Release Date
Feb 2008
Northern Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1000 MHz
Memory Clock
495 MHz
Memory
1024MB
Memory Size
256MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
64bit
64.00GB/s
Bandwidth
7.920GB/s
Render Config
6
Compute Units
2
480
Shading Units
40
24
TMUs
4
8
ROPs
4
8 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
32 KB
Theoretical Performance
6.400 GPixel/s
Pixel Rate
1.592 GPixel/s
19.20 GTexel/s
Texture Rate
1.592 GTexel/s
768.0 GFLOPS
FP32 (float)
31.84 GFLOPS
Board Design
66W
TDP
20W
250 W
Suggested PSU
200 W
1x DVI
1x HDMI 1.3a
1x VGA
1x HDMI 1.3a
1x VGA
Outputs
1x DVI
1x S-Video
1x S-Video
None
Power Connectors
None
Graphics Processor
Turks
GPU Name
RV610
Turks XT
(215-0803000)
(215-0803000)
GPU Variant
-
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
65 nm
0.716 billion
Transistors
0.18 billion
118 mm²
Die Size
85 mm²
Graphics Features
11.2 (11_0)
DirectX
10.0 (10_0)
4.4
OpenGL
3.3
1.2
OpenCL
N/A
N/A
Vulkan
N/A
5.0
Shader Model
4.0
