GeForce GT 740M vs Radeon HD 8670M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740M and 1024MB VRAM Radeon HD 8670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 740M 's Advantages
More VRAM (2GB vs 1024GB)
64 additional rendering cores
Radeon HD 8670M 's Advantages
Boost Clock975MHz
Score
Benchmark
FP32 (float)
GeForce GT 740M
+20%
753
Radeon HD 8670M
624
3DMark Time Spy
GeForce GT 740M
+8%
342
Radeon HD 8670M
316
3DMark Time Spy Extreme
GeForce GT 740M
+2%
99
Radeon HD 8670M
97
Graphics Card
Jun 2013
Release Date
Mar 2013
GeForce 700M
Generation
Solar System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
925 MHz
-
Boost Clock
975 MHz
900 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
14.40GB/s
Render Config
-
Compute Units
5
384
Shading Units
320
32
TMUs
20
8
ROPs
8
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
7.840 GPixel/s
Pixel Rate
7.800 GPixel/s
31.36 GTexel/s
Texture Rate
19.50 GTexel/s
752.6 GFLOPS
FP32 (float)
624.0 GFLOPS
31.36 GFLOPS
FP64 (double)
39.00 GFLOPS
Board Design
33W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
GK208
GPU Name
Sun
GT 740M
GPU Variant
Sun S3 XT
(216-0841009)
Kepler 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.02 billion
Transistors
0.69 billion
87 mm²
Die Size
56 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.1
Vulkan
1.2.170
3.5
CUDA
-
5.1
Shader Model
6.5 (5.1)