ATI Mobility Radeon HD 5870 vs ATI Mobility Radeon HD 4670
We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 512MB VRAM Mobility Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Mobility Radeon HD 5870 's Advantages
Released 1 years late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)
480 additional rendering cores
ATI Mobility Radeon HD 4670 's Advantages
Lower TDP (35W vs 50W)
Score
Benchmark
FP32 (float)
Mobility Radeon HD 5870
+159%
1.12 TFLOPS
Mobility Radeon HD 4670
0.432 TFLOPS
Graphics Card
Jan 2010
Release Date
Jan 2009
Manhattan
Generation
M9x
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-A (3.0)
Clock Speeds
-
-
-
-
-
-
1000 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
64.00GB/s
Bandwidth
25.60GB/s
Render Config
10
Compute Units
4
-
-
-
800
Shading Units
320
40
TMUs
32
16
ROPs
8
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
11.20 GPixel/s
Pixel Rate
5.400 GPixel/s
28.00 GTexel/s
Texture Rate
21.60 GTexel/s
-
-
-
1120 GFLOPS
FP32 (float)
432.0 GFLOPS
-
-
-
Board Design
50W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
Broadway
GPU Name
M96
Broadway XT
(216-0769008)
GPU Variant
M96 XT
(216-0729051)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.04 billion
Transistors
0.514 billion
166 mm²
Die Size
146 mm²
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
4.1
