Radeon HD 4670 vs Radeon HD 6930
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 1024MB VRAM Radeon HD 6930 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 4670 Advantages
Lower TDP (59W vs 186W)
Radeon HD 6930 Advantages
Released 3 years and 3 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (153.6GB/s vs 32.00GB/s)
960 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4670
480
Radeon HD 6930
+300%
1920
Graphics Card
Sep 2008
Release Date
Dec 2011
Radeon R700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Memory Clock
1200 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
32.00GB/s
Bandwidth
153.6GB/s
Render Config
4
Compute Units
20
320
Shading Units
1280
32
TMUs
80
8
ROPs
32
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
6.000 GPixel/s
Pixel Rate
24.00 GPixel/s
24.00 GTexel/s
Texture Rate
60.00 GTexel/s
480.0 GFLOPS
FP32 (float)
1.920 TFLOPS
-
FP64 (double)
480.0 GFLOPS
Board Design
59W
TDP
186W
250 W
Suggested PSU
450 W
2x DVI
1x S-Video
1x S-Video
Outputs
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x HDMI 1.4a
2x mini-DisplayPort 1.2
None
Power Connectors
2x 6-pin
Graphics Processor
RV730
GPU Name
Cayman
RV730 XT
(215-0719047)
(215-0719047)
GPU Variant
Cayman CE
(215-0807105)
(215-0807105)
TeraScale
Architecture
TeraScale 3
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.514 billion
Transistors
2.64 billion
146 mm²
Die Size
389 mm²
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
4.1
Shader Model
5.0
