Home GPU Comparison ATI Mobility Radeon HD 4850 Mac Edition vs NVIDIA GeForce GT 640M Mac Edition

ATI Mobility Radeon HD 4850 Mac Edition vs NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4850 Mac Edition and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 Mac Edition 's Advantages
Larger VRAM bandwidth (54.40GB/s vs 40.00GB/s)
416 additional rendering cores
NVIDIA GeForce GT 640M Mac Edition 's Advantages
Released 3 years and 6 months late

Score

Benchmark

FP32 (float)
Mobility Radeon HD 4850 Mac Edition +40%
0.804 TFLOPS
GeForce GT 640M Mac Edition
0.572 TFLOPS
VS

Graphics Card

Aug 2009
Release Date
Feb 2013
M9x
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
850 MHz
Memory Clock
1250 MHz

Memory

512MB
Memory Size
512MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
64bit
54.40GB/s
Bandwidth
40.00GB/s

Render Config

-
SM Count
-
10
Compute Units
-
800
Shading Units
384
40
TMUs
32
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
128 KB

Theoretical Performance

8.048 GPixel/s
Pixel Rate
5.960 GPixel/s
20.12 GTexel/s
Texture Rate
23.84 GTexel/s
-
FP16 (half)
-
804.8 GFLOPS
FP32 (float)
572.2 GFLOPS
161.0 GFLOPS
FP64 (double)
23.84 GFLOPS

Graphics Processor

M98
GPU Name
GK107
M98 L2 (216-0732019)
GPU Variant
N13P-GS
TeraScale
Architecture
Kepler
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.956 billion
Transistors
1.27 billion
256 mm²
Die Size
118 mm²

Board Design

Unknown
TDP
32W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-

Graphics Features

10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
4.1
Shader Model
5.1

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