Home GPU Comparison AMD Radeon HD 8670A vs NVIDIA GeForce GTX 775M Mac Edition

AMD Radeon HD 8670A vs NVIDIA GeForce GTX 775M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 2GB VRAM GeForce GTX 775M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages
Lower TDP (45W vs 100W)
NVIDIA GeForce GTX 775M Mac Edition 's Advantages
Released 9 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 16.00GB/s)
960 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8670A
0.461 TFLOPS
GeForce GTX 775M Mac Edition +364%
2.142 TFLOPS
VS

Graphics Card

Feb 2013
Release Date
Nov 2013
All-In-One
Generation
GeForce 700M
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

-
-
-
-
-
-
1000 MHz
Memory Clock
1250 MHz

Memory

1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
16.00GB/s
Bandwidth
160.0GB/s

Render Config

6
Compute Units
-
-
-
-
384
Shading Units
1344
24
TMUs
112
8
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

4.800 GPixel/s
Pixel Rate
22.32 GPixel/s
14.40 GTexel/s
Texture Rate
89.26 GTexel/s
-
-
-
460.8 GFLOPS
FP32 (float)
2.142 TFLOPS
28.80 GFLOPS
FP64 (double)
89.26 GFLOPS

Board Design

45W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Mars
GPU Name
GK104
Mars XT
GPU Variant
N13E-GTX-A2
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.95 billion
Transistors
3.54 billion
77 mm²
Die Size
294 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
5.1
Shader Model
5.1

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