ATI Mobility Radeon HD 4850 X2 vs AMD Radeon HD 7670M
We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 1024MB VRAM Radeon HD 7670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Mobility Radeon HD 4850 X2 's Advantages
Larger VRAM bandwidth (89.60GB/s vs 28.80GB/s)
320 additional rendering cores
AMD Radeon HD 7670M 's Advantages
Released 3 years and 1 months late
Score
Benchmark
FP32 (float)
Mobility Radeon HD 4850 X2
+38%
0.8 TFLOPS
Radeon HD 7670M
0.576 TFLOPS
Graphics Card
Jan 2009
Release Date
Feb 2012
M9x
Generation
London
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
700 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
89.60GB/s
Bandwidth
28.80GB/s
Render Config
10
Compute Units
6
-
-
-
800
Shading Units
480
40
TMUs
24
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
8.000 GPixel/s
Pixel Rate
9.600 GPixel/s
20.00 GTexel/s
Texture Rate
14.40 GTexel/s
-
-
-
800.0 GFLOPS
FP32 (float)
576.0 GFLOPS
160.0 GFLOPS
FP64 (double)
-
Board Design
Unknown
TDP
20W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
M98
GPU Name
Thames
M98 L2
(216-0732019)
GPU Variant
Thames XT
(216-0833000)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
0.716 billion
256 mm²
Die Size
104 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
