Home GPU Comparison ATI Mobility Radeon HD 4670 Mac Edition vs ATI Mobility Radeon HD 3850

ATI Mobility Radeon HD 4670 Mac Edition vs ATI Mobility Radeon HD 3850

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 512MB VRAM Mobility Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages
Released 1 years and 3 months late
ATI Mobility Radeon HD 3850 's Advantages
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (48.00GB/s vs 25.28GB/s)

Score

Benchmark

FP32 (float)
Mobility Radeon HD 4670 Mac Edition +17%
0.435 TFLOPS
Mobility Radeon HD 3850
0.371 TFLOPS
VS

Graphics Card

Sep 2009
Release Date
Jun 2008
M9x
Generation
M8x
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
790 MHz
Memory Clock
750 MHz

Memory

256MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
128bit
Memory Bus
256bit
25.28GB/s
Bandwidth
48.00GB/s

Render Config

4
Compute Units
4
-
-
-
320
Shading Units
320
32
TMUs
16
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

5.440 GPixel/s
Pixel Rate
9.280 GPixel/s
21.76 GTexel/s
Texture Rate
9.280 GTexel/s
-
-
-
435.2 GFLOPS
FP32 (float)
371.2 GFLOPS
-
FP64 (double)
74.24 GFLOPS

Board Design

35W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

M96
GPU Name
M88
M96 XT (216-0729051)
GPU Variant
-
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.514 billion
Transistors
0.666 billion
146 mm²
Die Size
192 mm²

Graphics Features

10.1 (10_1)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
1.1
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
4.1

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