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GPU Comparison
AMD Radeon HD 7670A vs NVIDIA GeForce 840A
AMD Radeon HD 7670A vs NVIDIA GeForce 840A
VS
AMD Radeon HD 7670A
NVIDIA GeForce 840A
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7670A and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7670A 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 16.02GB/s)
96 additional rendering cores
NVIDIA GeForce 840A 's Advantages
Released 2 years and 2 months late
Boost Clock1124MHz
More VRAM (2GB vs 1GB)
Lower TDP (33W vs 45W)
Score
Benchmark
FP32 (float)
Radeon HD 7670A
0.576 TFLOPS
GeForce 840A
+49%
0.863 TFLOPS
Radeon HD 7670A
VS
GeForce 840A
Graphics Card
Jan 2012
Release Date
Mar 2014
All-In-One
Generation
GeForce 800A
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1029 MHz
-
Boost Clock
1124 MHz
1000 MHz
Memory Clock
1001 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
64.00GB/s
Bandwidth
16.02GB/s
Render Config
-
SM Count
-
6
Compute Units
-
480
Shading Units
384
24
TMUs
16
8
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
64 KB (per SMM)
256 KB
L2 Cache
1024 KB
Theoretical Performance
4.800 GPixel/s
Pixel Rate
8.992 GPixel/s
14.40 GTexel/s
Texture Rate
17.98 GTexel/s
-
FP16 (half)
-
576.0 GFLOPS
FP32 (float)
863.2 GFLOPS
-
FP64 (double)
26.98 GFLOPS
Graphics Processor
Turks
GPU Name
GM108
Turks XT (215-0803000)
GPU Variant
-
TeraScale 2
Architecture
Maxwell
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
Unknown
118 mm²
Die Size
Unknown
Board Design
45W
TDP
33W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
5.0
5.0
Shader Model
5.1
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