Home GPU Comparison AMD Radeon HD 8790M vs NVIDIA GeForce GTX 680M

AMD Radeon HD 8790M vs NVIDIA GeForce GTX 680M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8790M and 4GB VRAM GeForce GTX 680M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8790M 's Advantages
Released 10 months late
Boost Clock has increased by 19% (900MHz vs 758MHz)
NVIDIA GeForce GTX 680M 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)
960 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8790M
0.691 TFLOPS
GeForce GTX 680M +194%
2.038 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Jun 2012
Solar System
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

850 MHz
Base Clock
719 MHz
900 MHz
Boost Clock
758 MHz
1000 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
64.00GB/s
Bandwidth
115.2GB/s

Render Config

-
SM Count
-
6
Compute Units
-
384
Shading Units
1344
24
TMUs
112
8
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
512 KB

Theoretical Performance

7.200 GPixel/s
Pixel Rate
21.22 GPixel/s
21.60 GTexel/s
Texture Rate
84.90 GTexel/s
-
FP16 (half)
-
691.2 GFLOPS
FP32 (float)
2.038 TFLOPS
43.20 GFLOPS
FP64 (double)
84.90 GFLOPS

Graphics Processor

Mars
GPU Name
GK104
Mars M2 XTX (216-0842036)
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

Board Design

Unknown
TDP
100W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
3.0
1.2.170
Vulkan
1.1
-
CUDA
3.0
6.5 (5.1)
Shader Model
5.1

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