Home GPU Comparison AMD Radeon RX 7700S vs AMD Radeon HD 6490M Mac Edition

AMD Radeon RX 7700S vs AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 7700S and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7700S 's Advantages
Released 11 years and 8 months late
Boost Clock2500MHz
More VRAM (8GB vs 256GB)
Larger VRAM bandwidth (288.0GB/s vs 25.41GB/s)
1888 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 7700S +8433%
20.48 TFLOPS
Radeon HD 6490M Mac Edition
0.24 TFLOPS
VS

Graphics Card

Jan 2023
Release Date
May 2011
Navi Mobile
Generation
Vancouver
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

1500 MHz
Base Clock
-
2500 MHz
Boost Clock
-
2250 MHz
Memory Clock
794 MHz

Memory

8GB
Memory Size
256MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
64bit
288.0GB/s
Bandwidth
25.41GB/s

Render Config

32
Compute Units
2
-
-
-
2048
Shading Units
160
128
TMUs
8
64
ROPs
4
-
-
-
32
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
128 KB
32 MB
L3 Cache
-

Theoretical Performance

160.0 GPixel/s
Pixel Rate
3.000 GPixel/s
320.0 GTexel/s
Texture Rate
6.000 GTexel/s
40.96 TFLOPS
FP16 (half)
-
20.48 TFLOPS
FP32 (float)
240.0 GFLOPS
640.0 GFLOPS
FP64 (double)
-

Board Design

100W
TDP
Unknown
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
-

Graphics Processor

Navi 33
GPU Name
Seymour
Navi 33 XT
GPU Variant
Seymour XTX M2 (216-0809000)
RDNA 3.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
6 nm
Process Size
40 nm
13.3 billion
Transistors
0.37 billion
204 mm²
Die Size
67 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.2
OpenCL
1.2
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
5.0

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