Radeon HD 4670 vs Radeon HD 4850 X2
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 512MB VRAM Radeon HD 4850 X2 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 250W)
Radeon HD 4850 X2 Advantages
Larger VRAM bandwidth (63.68GB/s vs 32.00GB/s)
480 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4670
480
Radeon HD 4850 X2
+108%
1000
Graphics Card
Sep 2008
Release Date
Nov 2008
Radeon R700
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Memory Clock
995 MHz
Memory
512MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
128bit
Memory Bus
256bit
32.00GB/s
Bandwidth
63.68GB/s
Render Config
4
Compute Units
10
320
Shading Units
800
32
TMUs
40
8
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
6.000 GPixel/s
Pixel Rate
10.00 GPixel/s
24.00 GTexel/s
Texture Rate
25.00 GTexel/s
480.0 GFLOPS
FP32 (float)
1000 GFLOPS
-
FP64 (double)
200.0 GFLOPS
Board Design
59W
TDP
250W
250 W
Suggested PSU
600 W
2x DVI
1x S-Video
1x S-Video
Outputs
4x DVI
1x S-Video
1x S-Video
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
RV730
GPU Name
R700
RV730 XT
(215-0719047)
(215-0719047)
GPU Variant
R700 PRO
(215-0669065)
(215-0669065)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.514 billion
Transistors
0.956 billion
146 mm²
Die Size
256 mm²
Graphics Features
10.1 (10_1)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
4.1
Shader Model
4.1
