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Comparison
Radeon HD 4870 Mac Edition vs Radeon 550X
Radeon HD 4870 Mac Edition vs Radeon 550X
VS
Radeon HD 4870 Mac Edition
Radeon 550X
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 2GB VRAM Radeon 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 4870 Mac Edition 's Advantages
288 additional rendering cores
Radeon 550X 's Advantages
Released 10 years and 2 months late
Boost Clock1218MHz
Larger VRAM bandwidth (112.0GB/s vs 108.8GB/s)
Lower TDP (50W vs 150W)
Score
Benchmark
FP32 (float)
Radeon HD 4870 Mac Edition
1200
Radeon 550X
+3%
1247
Radeon HD 4870 Mac Edition
VS
Radeon 550X
Graphics Card
Jan 2009
Release Date
Mar 2019
Radeon R700
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1082 MHz
-
Boost Clock
1218 MHz
850 MHz
Memory Clock
1750 MHz
Memory
512MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
108.8GB/s
Bandwidth
112.0GB/s
Render Config
10
Compute Units
8
800
Shading Units
512
40
TMUs
32
16
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
12.00 GPixel/s
Pixel Rate
19.49 GPixel/s
30.00 GTexel/s
Texture Rate
38.98 GTexel/s
-
FP16 (half)
1247 GFLOPS
1200 GFLOPS
FP32 (float)
1247 GFLOPS
240.0 GFLOPS
FP64 (double)
77.95 GFLOPS
Graphics Processor
RV770
GPU Name
Lexa
RV770 XT Mac (215-0669080)
GPU Variant
Lexa PRO (215-0904018)
TeraScale
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
55 nm
Process Size
14 nm
0.956 billion
Transistors
2.2 billion
256 mm²
Die Size
103 mm²
Board Design
150W
TDP
50W
450 W
Suggested PSU
250 W
1x DVI 1x mini-DisplayPort 1.0
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
2x 6-pin
Power Connectors
None
Graphics Features
10.1 (10_1)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.2
4.1
Shader Model
6.4
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