Home GPU Comparison ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce 8700M GT

ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce 8700M GT

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 512MB VRAM GeForce 8700M GT 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
Released 1 years and 7 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (89.60GB/s vs 25.60GB/s)
768 additional rendering cores

Score

Benchmark

FP32 (float)
Mobility Radeon HD 4850 X2 +900%
0.8 TFLOPS
GeForce 8700M GT
0.08 TFLOPS
VS

Graphics Card

Jan 2009
Release Date
Jun 2007
M9x
Generation
GeForce 8M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-HE

Clock Speeds

-
-
-
-
-
-
700 MHz
Memory Clock
800 MHz

Memory

1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
89.60GB/s
Bandwidth
25.60GB/s

Render Config

10
Compute Units
-
-
SM Count
4
800
Shading Units
32
40
TMUs
16
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
32 KB
-
-
-

Theoretical Performance

8.000 GPixel/s
Pixel Rate
5.000 GPixel/s
20.00 GTexel/s
Texture Rate
10.00 GTexel/s
-
-
-
800.0 GFLOPS
FP32 (float)
80.00 GFLOPS
160.0 GFLOPS
FP64 (double)
-

Board Design

Unknown
TDP
29W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

M98
GPU Name
G84
M98 L2 (216-0732019)
GPU Variant
NB8E-SE
TeraScale
Architecture
Tesla
TSMC
Foundry
TSMC
55 nm
Process Size
80 nm
0.956 billion
Transistors
0.289 billion
256 mm²
Die Size
169 mm²

Graphics Features

10.1 (10_1)
DirectX
11.1 (10_0)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
4.1
Shader Model
4.0

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